Example pre-test and post-test
questions used in the final study,
described in chapter 7
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Application of Number pre-test and post-test (example questions)
Add subtract multiply and divide whole numbers
Addition
12 + 19
18.3 + 2.12
34.65 + 23.61
Subtraction
15 - 8
26 - 11
13.8 - 3. 7
23.6 - 12.9
Multiplication
3 x 5
4 x 12
12 x 15
12.4 x 16.3
127.2 x 1.6
Division
6 / 2
3 / 2
3 / 4
3.2 / 5
13.6 / 1.4
Use reverse calculations to check a result
Multiply the following numbers together and show your answer
15.4 x 33.6
Perform a reverse calculation to check your answer. Show your workings.
Check that the result fits
A person buys 4 cakes at 36 pence each. After doing the calculation, their pocket calculator shows 144. Without doing the calculation, explain how you could tell quickly where to put the decimal place.