Operations on whole numbers and integers

Question 1 of 10

Evaluate 9 + 9 × 4 − 9.

Question 2 of 10

Evaluate 2 + 6 × 6 − 2.

Question 3 of 10

Evaluate 6 + 2 × 6 − 6.

Question 4 of 10

Evaluate (−13) + (−12).

Question 5 of 10

(−5) × 3 = −15.

Question 6 of 10

Evaluate 2 + 20.

Question 7 of 10

Evaluate 12 × 9 + 10 = ___

Question 8 of 10

At 5 a.m. the temperature in a town was −3 °C. By noon it rose by 11 °C and by night it fell by 6 °C. (a) What was the temperature at noon? (b) What was the temperature at night? (c) Find the difference between the noon and night temperatures.

Question 9 of 10

At 5 a.m. the temperature in a town was −9 °C. By noon it rose by 12 °C and by night it fell by 8 °C. (a) What was the temperature at noon? (b) What was the temperature at night? (c) Find the difference between the noon and night temperatures.

Question 10 of 10

Zero is neither positive nor negative.