Whole Numbers www mathsrevision com MNU 2 02

Whole Numbers www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Place Value Scales Addition and Subtraction Multiplying & Dividing by 10, 1000 Multiplying by a Single Digit Dividing by a Single Digit Multiplying & Dividing by 20, 300 etc. . Rounding to nearest 10, 1000 Estimating Answers 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 34 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Place Value www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention Success Criteria 1. We are learning the value of a digit given its place in a numbers. 1. Understand the value of a digit given it place in a number. 2. Be able solve simply problems involving place value. 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Place Value www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Place Value www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Place Value Sheet 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Place Value www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise XX Ch 1 (page XX) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Reading Scales www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention Success Criteria 1. We are learning the value of a digit given its place in a numbers. 1. Understand the value of a digit given it place in a number. 2. Be able solve simply problems involving place value. 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Liquid Volume S 4 Reading Scales www. mathsrevision. com How much liquid in the jug ? Litres Count the number of small divisions 2 1 litre 5 = 1000 ml Each division is worth 1 1 litre ÷ 5 = 1000 ml ÷ 5 = 0 200 ml x 4 = 800 ml 18 -Jun-21 Compiled by Mr. Lafferty Maths Dept. 200 ml

Liquid Volume S 4 Reading Scales www. mathsrevision. com How much liquid in the jug ? Litres 2 1 0 Count the number of small divisions 1 litre 5 = 1000 ml Each division is worth 1 litre ÷ 5 = 1000 ml ÷ 5 = 200 ml x 7 = 1400 ml or 1. 4 litres 18 -Jun-21 Compiled by Mr. Lafferty Maths Dept. 200 ml

Liquid Volume S 4 Reading Scales How much liquid in the jug ? www. mathsrevision. com ( Careful different scale) Litres 2 1 Count the number of small divisions 1 litre 4 = 1000 ml Each division is worth 1 litre ÷ 4 = 1000 ml ÷ 4 = 0 250 ml x 7 = 1750 ml or 1. 75 litres 18 -Jun-21 Compiled by Mr. Lafferty Maths Dept. 250 ml

Weight & Scales S 4 Reading Scales Calculate the weight each arrow is pointing at? www. mathsrevision. com 120 g 0 100 g Count the number of small divisions 5 200 g 300 g 500 g 400 g Each division is worth 280 g 540 g 18 -Jun-21 Compiled by Mr. Lafferty Maths Dept. 100 ÷ 5 = 20 g

Weight & Scales S 4 Reading Scales Calculate the weight each arrow is pointing at? www. mathsrevision. com 80 g 0 Count the number of small divisions 200 g 5 400 g Each division is worth 600 g 1 kg 800 g 200 ÷ 5 = 40 g 720 g 1 kg 20 g 18 -Jun-21 Compiled by Mr. Lafferty Maths Dept.

Whole Numbers Reading Scales www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Reading Weights Reading different scales Scale Sheet 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Reading Scales www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise XX Ch 1 (page XX) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Addition and Subtraction www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention Success Criteria 1. We are learning the importance of layout when doing addition and subtraction. 18 -Jun-21 1. Using and understanding layout for addition and subtraction. 2. Be able to solve simple problems involving addition and subtraction. Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these MNU 2 -02 a MNU 2 -03 a sums. Addition and Subtraction There are many reasons why pupils do not get the correct answer to addition and subtraction sums. 23 +9 23 + 9 54 - 8 54 -8 8 -54 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Addition and Subtraction www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Proper layout 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Addition and Subtraction www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise XX Ch 1 (page xx) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Make up your own addition subtraction 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply by 10, 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention 1 18 -Jun-21 Success Criteria We are learning how to multiply and divide simple whole numbers by 10, 1000. 1. Understand the simple rules to multiply and divide simple whole numbers. 2. Be able do simple calculations. Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply by 10, 1000 MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com For this section you need to know your tables To multiply by 10, 1000 To multiply by 10 simply add a zero to the number To multiply by 100 simply add 2 zero’s to the number To multiply by 1000 simply add 3 zero’s to the number Example : Multiply 36 by 10, 1000. Guess 36 rule x 10 for 1000 18 -Jun-21 = 360 36 x 100 = 3600 Created by Mr. Lafferty Maths Dept. 36 x 1000 = 36000

Whole Numbers Multiply by 10, 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example : A box of crisps contain 48 packets. How many in 100 boxes ? 48 x 100 = 4800 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Divide by 10, 1000 MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com Try and write down rule for. To 100, 1000 To Divide by 10, 1000 divide by 10 remove a zero from the number To divide by 100 remove 2 zero’s from the number To divide by 1000 remove 3 zero’s from the number Example : Divide 54000 by 10, 1000. 54000÷ 10 =54000 ÷ 100 = 54000 ÷ 1000 = 54 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Divide by 10, 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example : A box contains 1000 cups. How many boxes are needed to hold 7000 ? 7000 ÷ 1000 = 7 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Units of Length Converting Measurements www. mathsrevision. com MNU 2 -11 b MNU 2 -11 c MTH 3 -11 b Kilometres (km) metres (m) centimetres (cm) millimetres (mm) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Units of Length Converting Measurements MNU 2 -11 b MNU 2 -11 c MTH 3 -11 b www. mathsrevision. com Examples Convert 2 m to cm : 2 x 100 = 200 cm Convert 4 km to m : 4 x 1000 = 4000 m Convert 34 cm to mm : 34 x 10 = 340 mm Convert 50 cm to m : 18 -Jun-21 50 ÷ 100 = 0. 5 m Created by Mr. Lafferty Maths Dept.

Weight & Scales S 4 www. mathsrevision. com Kilograms x 1000 grams 2 kg 2 x 1000 2000 g 1. 5 kg 1. 5 x 1000 1500 g grams ÷ 1000 Kilograms 3000 g ÷ 1000 1500 ÷ 1000 3 kg 1500 g 18 -Jun-21 3000 Compiled by Mr. Lafferty Maths Dept. 1. 5 kg

Converting Weights MNU 2 -11 b MNU 2 -11 c MTH 3 -11 b www. mathsrevision. com Examples Convert 4 kg to g : 4 x 1000 = 4000 g Convert 9 kg to g : 9 x 1000 = 9000 g Convert 2000 g to kg : 2000 ÷ 1000 = 2 kg Convert 5000 g to kg : 5000 ÷ 1000 = 5 kg 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply & Divide by 10, 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 3 & 4 Ch 1 (page 13) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 34 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiplying by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention 1 Success Criteria We are learning how to do multiply by a single digit. 1. Remember your tables. 2. Apply appropriate layout and working for multiplying by a single digit. 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these MNU 2 -02 a MNU 2 -03 a sums. Addition and Subtraction There are many reasons why pupils do not get the correct answer to multiplication sums. 23 x 9 18 -Jun-21 23 9 Created by Mr. Lafferty Maths Dept. 23 x 9

Whole Numbers Multiplying by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a To be able to multiply by a single digit you need to know your tables. Examples 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiplying by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example : A palette holds 164 tins of paint. How many tins in 8 palettes. 164 x 8 1312 53 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiplying by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 5 Ch 1 (page 15) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 123 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Dividing by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention 1 18 -Jun-21 Success Criteria We are learning how to do divide by a single digit. 1. Apply appropriate layout and working for dividing by a single digit. Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these MNU 2 -02 a MNU 2 -03 a sums. Addition and Subtraction There are many reasons why pupils do not get the correct answer to division sums. 586 ÷ 9 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Dividing by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Use the following layout for dividing by a single digit. Examples : 732 ÷ 8 18 -Jun-21 950 ÷ 5 Created by Mr. Lafferty Maths Dept.

Whole Numbers Dividing by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example : A carton can hold 6 eggs. How many cartons are needed for 5436 eggs. 906 6 5436 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Dividing by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example : Copy and complete. 544 7 3808 1853 5 9265 1239 6 7434 652 8 5216 952 4 3808 2336 3 7008 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Dividing by a single number www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 7 Ch 1 (page 17) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 36 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention 1 18 -Jun-21 Success Criteria We are learning how to divide by 20, 300, 4000 etc using our knowledge so far. 1. Understand the two step process to multiply or divide by 20, 300 etc… 2. Show all working. Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a By combining our knowledge so far of “multiplying / dividing by 10, 1000” and “multiplying / dividing by a single digit” we can do harder calculations. We use a TWO step process. Example 1 : Calculate 20 x 52 20 can be written as 2 x 10 so we have : 2 x 10 x 52 = Step 1 : 10 x 52 = 520 18 -Jun-21 Step 2 : 2 x 520 = 1040 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com Example 2 : Calculate 44 x 30 30 can be written as 10 x 3 so we have : 44 x 10 x 3 = Step 1 : 44 x 10 = 440 Step 2 : 440 x 3 = 1320 Example 3 : Calculate 300 x 35 300 can be written as 3 x 100 so we have : 3 x 100 x 35 = Step 1 : 100 x 35 = 3500 18 -Jun-21 Step 2 : 3500 x 3 =10500 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example 4 : Calculate 16000 ÷ 200 Since 200 divide by 100 then divide by 2: 16000 ÷ 100 ÷ 2 = Step 1 : 16000 ÷ 100 = 160 Step 2 : 160 ÷ 2 = 80 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Example 5 : Calculate 120000 ÷ 6000 Since 6000 divide by 1000 then divide by 6: 120000 ÷ 1000 ÷ 6 = Step 1 : 120000 ÷ 1000 =120 Step 2 : 120 ÷ 6 = 20 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Multiply or Divide by 20, 300, 4000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 8 Ch 41 (page 19) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 28 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Rounding to nearest 10, 100 and 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention Success Criteria 1. We are learning to round numbers to the nearest 10, 100 and 1000. 1. Understand the rules for rounding to the nearest 10, 1000. 2. Apply rules to problems. 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Rounding to nearest 10, 100 and 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a To round to the nearest 10 : look at the units digit: - If it is a 0, 1, 2, 3, 4 leave the 10’s digit as it is. - If it is a 5, 6, 7, 8, 9 round the 10’s digit up by 1. To round to the nearest 100 : look at the tens digit: - If it is a 0, 1, 2, 3, 4 leave the 100’s digit as it is. - If it is a 5, 6, 7, 8, 9 round the 100’s digit up by 1. 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Rounding to nearest 10, 100 and 1000 MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com To round to the nearest 1000 : look at the hundreds digit: - If it is a 0, 1, 2, 3, 4 leave the 1000’s digit as it is. - If it is a 5, 6, 7, 8, 9 round the 1000’s digit up by 1. Example : Round 3467 to the nearest 10, 1000 The nearest 10 : 3467 The nearest 1000 : 3467 The nearest 100 : 18 -Jun-21 3470 3500 tens digit : hundreds digit: 3000 - look at the units digit : - look at the Created by Mr. Lafferty Maths Dept.

Whole Numbers Rounding to nearest 10, 100 and 1000 MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com Example : Round 18 565 to the nearest 10, 1000 The nearest 10 : 18 565 - look at the units digit : 18 570 18 565 - look at the tens digit : 18 600 The nearest 1000 : 18565 - look at the hundreds digit: 19 000 The nearest 100 : 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Rounding to nearest 10, 100 and 1000 www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 9 Ch 1 (page 21) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a 42 o 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Using Rounding to Estimate Answers www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Learning Intention Success Criteria 1. We are learning how estimate answer by rounding. 18 -Jun-21 1. Remember how to round numbers to a whole number. 2. Estimate the answer to a difficult calculation using easier whole numbers. Created by Mr. Lafferty Maths Dept.

Whole Numbers Using Rounding to Estimate Answers www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a It is very important when solving problems that we have a rough idea of the answer we are expecting. Example : Mentally estimate the answer to 42 x 49 Easiest way, is to round the two numbers first 40 x 50 = 400 x 5 = 2000 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Using Rounding to Estimate Answers MNU 2 -02 a MNU 2 -03 a www. mathsrevision. com Example : Mentally estimate the answer to 104 x 19 Easiest way, is to round the two numbers first 100 x 20 = 1000 x 2 = 2000 Example : Mentally estimate the answer to 878 ÷ 27 Easiest way, is to round the two numbers first 900 ÷ 30 = 90 ÷ 3 = 30 18 -Jun-21 Created by Mr. Lafferty Maths Dept.

Whole Numbers Using Rounding to Estimate Answers www. mathsrevision. com MNU 2 -02 a MNU 2 -03 a Now try Exercise 10 Ch 1 (page 22) 18 -Jun-21 Created by Mr. Lafferty Maths Dept.