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Subtraction - Mrs Moody Question 1 ‘678 take away 47’ is the same as: a. subtract 47 from 678 b. subtract 678 from 47 Question 2 The difference between 204 and 934 is: a. 204 – 934 b. 603 – 204 c. 934 – 204 Question 3 The number line shows 645 – 389. What is the missing number? ?= Question 4 Complete this number sentence that shows an estimate for 306 – 187. 300 – = 100 Question 5 Which number line shows 473 – 251? a. b. Question 6 Choose the answer that shows how the compensation method can be used to calculate 463 – 297. a. b. c. d. Subtract 300 then subtract 3. Subtract 300 then add 3. Add 300 then subtract 3. Add 300 then add 3. Question 7 One of the answers below is the correct answer for 631 – 483. Use an estimate to decide which one is correct. a. 248 b. 148 c. 348 Question 8 Phillip used the number line to solve 786 – 353. This is his first step. ?= Question 9 Choose the correct calculation for 831 – 395. a. b. c. d. 831 – 300 + 5 831 – 300 – 5 831 – 400 + 5 832 – 400 – 5 Question 10 Enter the missing number. 8982 – = 2612 Question 11 The estimated answer to a question was 3000. Choose the question to fit the estimate. a. 9673 – 6879 b. 7673 – 4079 c. 5678 – 3987 Question 12 What is the difference between 89 205 and 59 990? Question 13 Using the equal addends method, complete this calculation. 7 14 6 12 – 51 9 41 8 1 5 1 Question 14 When using a written subtraction method, start at: a. the right-hand column b. the left-hand column Question 15 Which addition working below shows you that the calculation above is correct? a. b. c. Question 16 Complete the addition calculation below used to check the subtraction calculation above. + 1 3 8 0 7 7 8 8 Question 17 Complete the calculation. – Question 18 This working in this example shows: a. equal addends b. trading Question 19 – 6 3 7 8 4 3 1 5 8 7 Question 20 Jacob is flying from Melbourne to London, a distance of 16 936 km. He stops in Darwin which is 3161 km from Melbourne. How much further does he have to fly? km Question 21 Use a pen and paper and the method you prefer to complete this subtraction. 7 –6 0 1 0 8 0 2 Question 22 – 7 5 4 3 6 5 7 0 2 9 Question 23 7 845 245 – 1 356 896 = Question 24 – 6 5 3 7 21 8 9 2 6 4 1 Question 25 Enter the missing digit in the answer. 7 2 + 2 5 1 1 4 6 3 8 6 Question 26 To add 295, you can add 300 and then: a. take away 5 b. add another 5 Question 27 Sam added 827 and 564 by splitting both numbers. Complete the final answer. 800 + 500 = 1300 20 + 60 = 80 7 + 4 = 11 Question 28 What is the missing answer in the diagram? 42 947 – 8700 = Question 29 Use any strategy to calculate this answer. 123 456 – 98 765 = Question 30 Enter a number to complete this sentence. Taking away 24 and then taking away 3 is the same as taking away Question 31 Enter the next two terms in this sequence. 175, 180, 190, 205, 225, 250, 280, , Question 32 Enter the missing digits. 1 – 4 3 5 2 4 6 9 . Question 33 The sum of two numbers is 770 and the difference between them is 90. What are the two numbers? The smaller number = The larger number =