Year 6 Autumn Block 2 Four Operations Find
Year 6 - Autumn - Block 2 Four Operations
Find the difference between A and B. A 20, 000 26, 000 B 32, 500 42, 500 2 © White Rose Maths 2019
Answers: A is 19, 000 B is 50, 500 Then to find the difference you need to subtract the smaller number away from the larger one. 50, 500 – 19, 000 = 31, 500 3 © White Rose Maths 2019
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Answers: 1) True both total 98, 334 2) True 1, 100 x 28 = 30, 800 1, 100 x 30 = 33, 000 then 1, 100 doubled is 2, 200. Subtract 2, 200 from 33, 000 and you are left with 30, 800 3) False because 702 x 9 -= 6318 and 701 x 10 = 7010 the two answers are different 5 © White Rose Maths 2019
2 3 4 5 7 8 Place the digits in the boxes to make the largest product. 6 © White Rose Maths 2019
Answer 5432 X 87 4 7 2, 5 8 4 7 © White Rose Maths 2019
Find the missing digits. 4 041 r 3 1 59 8 © White Rose Maths 2019
Answer The first digit is 6 and the second missing digit is 4 So the calculation is 1659 divided by 4 is 416 r 3 9 © White Rose Maths 2019
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Answers A = 396 ÷ 11 = 36 B = 832 ÷ 13 = 64 The difference between B and A is 64 – 36 = 28 11 © White Rose Maths 2019
Work out the value of C. (The bar models are not drawn to scale) 4, 950 A A B B C C C 12 C C © White Rose Maths 2019
Answers 4, 950 ÷ 3 = 1, 650 gives us the value of A = 1, 650 ÷ 3 = 550 gives us the value of B = 550 ÷ 5 = 110 so the value of C is 110 13 © White Rose Maths 2019
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Answers 1, 248 ÷ 48 = 26 1, 248 ÷ 24 = 52 1, 248 ÷ 12 = 104 The amount that you were dividing by halved each time and the answer doubled each time 15 © White Rose Maths 2019
Tommy says, Do you agree? Explain why. 16 © White Rose Maths 2019
Answers 4, 320 ÷ 15 = 288 4, 320 ÷ 5 = 864 ÷ 10 = 86. 4 Therefore Tommy is wrong to calculate the answer this way 17 © White Rose Maths 2019
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Answers 512 ÷ 12 = 32 672 ÷ 21 = 32 792 ÷ 24 = 33 So the odd one out is 792 ÷ 24 19 © White Rose Maths 2019
0 5 1 0 1 5 8 5 5 7 5 1 0 5 0 20 © White Rose Maths 2019
Answer They have gone wrong by saying that 105 ÷ 15 = 10 when actually it is 7 So the answer should be 57 not 51 21 © White Rose Maths 2019
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Answer 1, 950 ÷ 13 is harder because 50 is not a multiple of 13 Where as 15 will divide easier and gives a whole number 23 © White Rose Maths 2019
There are 49 pears and 56 oranges. They need to be put into baskets of pears and baskets of oranges with an equal number of fruit in each basket. There will be 8 Amir says, pieces of fruit in each basket. Jack says, There will be 7 pieces of fruit in each basket. Who is correct? Explain how you know. 24 © White Rose Maths 2019
Answers First add together the total amount of fruit so 49 + 56 = 105 Then to see who is correct divide 105 by each number So 105 ÷ 8 = 13. 125 105 ÷ 7 = 15 So Jack is correct 25 © White Rose Maths 2019
Dora has 32 football cards that she is giving away to his friends. She shares them equally between her friends. How many friends could Dora have? 26 © White Rose Maths 2019
Answers You need to find what numbers divide exactly into 32 32 ÷ 8 = 4 friends 32 ÷ 4 = 8 friends 32 ÷ 2 = 16 friends 32 ÷ 16 = 2 friends 32 ÷ 1 = 32 friends 27 © White Rose Maths 2019
Use the clues to work out the number. • It is greater than 10 • It is an odd number • It is not a prime number • It is less than 25 • It is a factor of 60 28 © White Rose Maths 2019
The answer is 15 29 © White Rose Maths 2019
Shade in the multiples of 6 on a 100 square. What do you notice about the numbers either side of every multiple of 6? 1 2 3 4 5 6 7 8 9 I noticed 11 12 13 14 15 16 17 18 19 there is Eva says, 21 22 23 24 25 26 27 28 29 always a 31 32 33 34 35 36 37 38 39 prime 41 42 43 44 45 46 47 48 49 number next 51 52 53 54 55 56 57 58 59 to a multiple 61 62 63 64 65 66 67 68 69 of 6 71 72 73 74 75 76 77 78 79 10 20 30 40 50 60 70 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Is she correct? 30 © White Rose Maths 2019
The multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96 The first few multiples of 6 do match the prediction except when reaching 24 because 25 is a multiple of 1, 5 and 25 so Eve is wrong 31 © White Rose Maths 2019
Shade in all the square numbers on a 100 square. Now shade in multiples of 4 1 What do you notice? 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 32 © White Rose Maths 2019
Answers Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88 92, 96, 100 33 © White Rose Maths 2019
Write different number sentences using the digits 3, 4, 5 and 8 before the equals sign that use: • One operation • Two operations with no brackets • Two operations with brackets 3 4 5 34 8 © White Rose Maths 2019
Your answers will vary, you can ask an adult to check them or use a calculator to check 35 © White Rose Maths 2019
Class 6 are calculating the total of 3, 912 and 3, 888 Alex says, We can just double 3, 900 Is Alex correct? Explain. 36 © White Rose Maths 2019
Answer Alex is correct because 3, 912 + 3, 888 = 7, 800 and 3, 900 doubled is 7, 800 She adjusted the two numbers, she’s taken 12 from the 3, 900 and added it to 3, 888 to make 3, 900 37 © White Rose Maths 2019
I used the column method. I used my number bonds from 87 to 100 then from 1, 300 to 2, 000 I subtracted one from each number and then used the column method. 38 © White Rose Maths 2019
Answer Tommy is using the most efficient method as this is the quickest way to find the answer 39 © White Rose Maths 2019
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Answers 1) 2) 3) 4) True False 41 © White Rose Maths 2019
12 12 12 42 12 12 12 © White Rose Maths 2019
Answers 12 x 8 = 96 3 x 4 x 8 = 96 True 12 x 4 x 2 = 96 True 2 x 10 x 8 = 160 False 12 x 4 + 12 x 4 = 96 True 43 © White Rose Maths 2019
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