ARENpedia Academy Online Test 3

Find the value of 10+ −2.

Evaluate -5--2.

Evaluate 20 + -7.

Which calculation is shown on this number line?

• a. 100+800 = 810

• b. 800+ -100 = 700

• c. 800-100= 700

• d. O-800+ -100= -710

10- 6 =4 means 'the number that is 6 less than 10 is 4'. Write the answer to this subtraction.

-5 + 8 = 13 means 'the number that is 8 more than 5 is 13'.

Write the answer to this addition.

20 - 7 = 13 means 'the number that is 7 less than 20 is 13'. Complete this subtraction

12 - 3 = 9 means 'the number that is 3 less than 12 is 9'. Write the answer to this subtraction.