Whole Numbers www mathsrevision com N 5 Num

Whole Numbers www. mathsrevision. com N 5 Num Basic Operations Integers 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com N 5 Num 34 o 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Whole Numbers Basic Operations www. mathsrevision. com N 5 Num Learning Intention Success Criteria 1. We are learning the importance of layout when doing basic operations. 1. Using and understanding layout for basic operations. 2. Be able to solve context problems involving basic operations. 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these Basic Operations N 5 Num sums. 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 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Whole Numbers Remember ! 1 number 1 box Basic Operations www. mathsrevision. com N 5 Num Find the answers to 4 4 3 8 4 5 5 3 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these Basic Operations N 5 Num sums. There are many reasons why pupils do not get the correct answer to division sums. 586 ÷ 9 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Whole Numbers Remember ! 1 number 1 box Basic Operations www. mathsrevision. com N 5 Num Use the following layout for dividing by a single digit. Example : 7 3 2 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Whole Numbers Basic Operations www. mathsrevision. com N 5 Num Example : A carton can hold 6 eggs. How many cartons are needed for 5436 eggs. 9 0 6 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

www. mathsrevision. com Are there any Whole Numbers errors in these Basic Operations N 5 Num sums. There are many reasons why pupils do not get the correct answer to multiplication sums. 23 x 9 26 -Nov-20 23 9 Created by Mr. Lafferty Maths Dept. 23 x 9

Whole Numbers Remember ! 1 number 1 box Basic Operations www. mathsrevision. com N 5 Num To be able to multiply by a single digit you need to know your tables. Examples 2 6 2 0 8 1 4 9 2 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Whole Numbers Remember ! 1 number 1 box Basic Operations www. mathsrevision. com N 5 Num Example : A palette holds 164 tins of paint. How many tins in 8 palettes. 1 3 1 2 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Bacteria grows at a rate of 6572 every minute. How many would that be after 1 hour ? 6572 x 60 = 394320

60 x 13 = 780 km 1280 ÷ 780 = 1. 64 So needs to stop once

Mr Lafferty earns £ 3. 5 million last year. (a) Write this number out in full. £ 3500000 He paid one fifth in Tax. (b) How much did he pay in Tax. 3500000 ÷ 5 = £ 700000 (c) How much did he have left after paying his Tax. 3500000 - 700000 = £ 2800000

BODMAS N 5 Num www. mathsrevision. com Calculations MUST BE done in a certain order. We can use BODMAS to help us remember the order. B O D M A S 26 -Nov-20 - Brackets Other Division Multiplication Addition Subtraction Created by Mr. Lafferty Maths Dept. x and ÷ same priority + and - same priority

BODMAS www. mathsrevision. com N 5 Num 200 – 25 x 2 = 200 – 50 = 150 26 -Nov-20 9 – half of 10 + 2 =9– 5+2 =4+2 =6 Created by Mr. Lafferty Maths Dept.

BODMAS www. mathsrevision. com N 5 Num 80 ÷ (8 – 3) 4 x ( 48 + 12) + 10 = 80 ÷ 5 = 4 x 60 + 10 = 16 = 240 + 10 = 250 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

BODMAS www. mathsrevision. com N 5 Num (8 - 3) ² 8² – 3² 26 -Nov-20 = 64 - 9 = 5² = 55 = 25 Created by Mr. Lafferty Maths Dept.

Basic Operations www. mathsrevision. com N 5 Num Now try N 5 Lifeskills Ex 1 Ch 1 (page 11) Are you on Target ? I can ? Mind Map 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Starter Questions www. mathsrevision. com N 5 Num 26 -Nov-20 Created by Mr. Lafferty Maths Dept.

Integers www. mathsrevision. com N 5 Num Learning Intention 1 We are learning how to use integers in context. 26 -Nov-20 Success Criteria 1. Understand how integers are used in real-life. Created by Mr. Lafferty Maths Dept

Integers www. mathsrevision. com N 5 Num Definition : An INTEGER is a negative or positive whole number, including 0. e. g. -2, -1, 0, 5, 100 Note : -2. 5, -1. 2, 23. 5 Are NOT INTEGERS Write down 3 places where Integers are used Weather 26 -Nov-20 Bank Created by Mr. Lafferty Maths Dept Sea-Level Height

23 o. C

8 o. C

34 o. C

62 o. C

Negative Numbers N 5 Num www. mathsrevision. com o o (a) 4 C up from 12 C 12 + 4 = 16 o o (b) 8 C down from 10 C 10 - 8 = 2 o o (c) 3 C up from -2 C -2 + 3 = 1 o o (d) 6 C down from 2 C 2 - 6 = -4 26 -Nov-20 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 Created by Mr. Lafferty Maths Dept UP + Down -

Negative Numbers Rule Adding a negative is the same as subtracting www. mathsrevision. com N 5 Num “+ -” = - (a) 12 + 4 = 16 Start at 12 (b) Go up 4 10 + (-8) = 2 Start at 10 (c) Go down 8 7 - 10 = -3 Start 26 -Nov-20 at 7 Go down 10 24 22 20 18 16 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 Created by Mr. Lafferty Maths Dept UP + Down -

Integers N 5 Num www. mathsrevision. com Examples (1) 3 -7 = -4 (2) 4 + (-9) = -5 (3) -7 - 8 = -15 (4) -2 + (-12) = -14 (5) -5 - 25 = -30 (6) (-8) + (-9) = -17 26 -Nov-20 Remember Rule ! Created by Mr. Lafferty Maths Dept

Have you updated your Learning Log ? Integers www. mathsrevision. com N 5 Num Now try N 5 Lifeskills Ex 2 Ch 1 (page 13) Are you on Target ? I can ? 26 -Nov-20 Created by Mr. Lafferty Maths Dept.