Solving Problems with Integers

Which equation models the situation below? The sum of a number and 5 is multiplied by -3 and the answer is -24. Find the number.

Tags

CCSS.HSA.CED.A.3

The sum of a number and 5 is multiplied by -3 and the answer is -24. Find the number.

• 13

• -13

• 3

• -3

Tags

CCSS.7.NS.A.3

Which equation models the situation below?

The difference of a number and 3 is multiplied by -2 and the answer is -10. Find the number.

Tags

CCSS.HSA.CED.A.3

The difference of a number and 3 is multiplied by -2 and the answer is -10. Find the number.

• 8

• -8

• 2

• -2

Tags

CCSS.7.NS.A.3

Savannah opens a savings account with $145. She saves $165 per month. After how many months will she save $2290?

Just type in the number!

Tags

CCSS.7.EE.B.4A

On an algebra test, the highest grade was 15 points higher than the lowest grade. The sum of the two grades was 125. Find the lowest grade. (Number only)

Tags

CCSS.8.EE.C.8C

On an algebra test, the highest grade was 15 points higher than the lowest grade. The sum of the two grades was 125. Find the highest grade. (Number only)

Tags

CCSS.8.EE.C.8C

The length of a rectangular map is 12 inches longer than the width. If the perimeter is 144, what is the width? (Number only!)

The length of a rectangular map is 12 inches longer than the width. If the perimeter is 144, what is the length? (Number only!)

When adding integers with the same sign, ___________ them and keep the sign.

• add

• subtract

• multiply

• divide

Tags

CCSS.7.NS.A.1C