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MENTALMATH.P3.MIDTERM.T1.2021

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THE OYSTER ACADEMY
MENTAL MATHEMATICS
YEAR 7
NAME:
DATE:
1. Add negative five to one.
2. Write 5/10 as a decimal.
3. Arrange the following decimals from smallest to largest.
2.1, 0.6, 0.9, 1.8
4. Subtract negative two from three.
5. A square has an area of 49 cm2. What is the length of one side of the square?
6. Determine the length of a rectangular box having a width of 8cm and an area of 72 cm2
7. The temperature in Alaska on a certain day was 2℃. Find the temperature the next day if it
rose by 3℃.
8. The temperature on Friday morning in Toronto was -8℃ and 5℃ in Vancouver. What is the
difference in temperature between the two cities?
9. Draw an arrow on the scale to show two point two kilograms.
10. At ten pm, the temperature was eight degrees Celsius. By midnight the temperature had
dropped by ten degrees. What was the temperature at midnight?
11. A rectangular photograph measures eight centimetres by ten centimeter. What is the area of
the photograph?
12. Add eight to minus three.
13. I am counting up in nought point twos. Two point three, two point five, two point seven, …
Write down the next two numbers. 2.3 2.5
2.7 ……………………..
14. How many sixes are there in forty-two?
15. What number is eight more than minus two?
16. Multiply six by six.
17. I start at four point seven and count on in equal steps: four point seven, four point eight, four
point nine. Write down the next two numbers in the sequence.
4.7, 4.8,
4.9, ……………………………………………….
18. Look at the scale. About what value is the arrow pointing to?
19. Multiply six by seven
20. Look at the temperature shown on the thermometer. The temperature drops by five degrees
Celsius. What is the new temperature?
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