Subtracting integers

Subtracting a number is adding its opposite. 5 - (-3) becomes 5 + 3.

Standards:7.NS.A.1.c

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

A baker made 156 cookies. She packed them into boxes of 12. How many boxes did she fill completely?

Question 2 of 3

Marcus has 238 baseball cards. He wants to arrange them into stacks of 15 cards each. How many complete stacks can he make?

Question 3 of 3

A store receives a shipment of 156 apples. They arrange them into bags with 12 apples per bag. How many bags can they fill?

How this fits in

Subtracting integers is one skill in the Integers & Operations unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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