7th grade number sense

Question 1

Work out −2 3/4 + 3 1/2. Give a fraction or mixed number in simplest form.

Answer (as a fraction)

Question 2

The temperature was 6 °C and fell steadily to −8 °C over 7 hours. What was the change in temperature per hour? (Give a negative number.)

Answer 

Question 3

5 × □ = 15. What number goes in the box?

Answer 

Question 4

−5 × (−1) = ?

Answer 

Question 5

Does 1/7 give a terminating or a repeating (recurring) decimal?

• A. Terminating
• B. Repeating

Question 6

−30 + (−47) = ?

Answer 

Question 7

−6.2 + (−6.4) = ?

Answer 

Question 8

At 6 pm in Edinburgh it was −1.9 °C. By midnight the temperature had dropped 0.7 °C. What was the temperature at midnight, in °C?

Answer 

Question 9

What is the sign of 21 ÷ 7 × 4?

• A. Positive
• B. Negative
• C. Zero

Question 10

−1.35 − 1.51 = ?

Answer 

Question 11

(0 − (−2))² ÷ (−2) = ?

Answer 

Question 12

Work out (−4/5) ÷ (5/6). Give a fraction in simplest form (or a whole number).

Answer (as a fraction)

Question 13

1 + (−1) = ?

Answer 

Question 14

−8 ÷ 8 = ?

Answer 

Question 15

Use the number line: 9 + (−3) = ?

Answer 

Question 16

Ethan says −15 − (−13) = −28. What is the correct answer?

Answer