Subtract back to 10
14 - 6 ___
Decompose 6 into 4+2. Subtract 10 - 2. The answer is 8.
Solve and then use an addition sentence (from the fact family) to check.
16 - 8 = _____
8 + 8 = _____
Sierra has 9 books at home. She lets her best friend borrow 7 of the books. How many books does she have now?
9 - 7 = 2
13 - 5 = _____
Decompose 5 into 3 and 2. Subtract 10 - 2. The answer is 8.
Solve. Use an addition fact family to check.
9 - 2 = _____
2 + 7 = 9
9 bears were storing food for the winter. 5 of the bears decided to be lazy and take a nap. How many bears are still storing food for the winter?
9 - 5 = 4
14 - 6 = _____
Decompose 6 into 4 and 2. Subtract 10 - 2. The answer is 8.
Solve. Then use an addition fact family to check.
12 - 4 = _____
4 + 8 = 12
Stephen had 15 pennies. He gave 9 pennies to his brother. How many pennies does Stephen have now?
15 - 9 = 6
15 - 7 = _____
Decompose 7 into 5 and 2. Subtract 10 - 2. The answer is 8.
12 - 7 = _____
7 + 5 = 12
Sam and Trey dug up 15 worms to use on their fishing trip. They used 8 of the worms to catch fish. How many worms do they have left?
15 - 8 = 7
16 - 9 = _____
Decompose 9 into 6 and 3. Subtract 10 - 3. The answer is 7.
Find all the related facts in the fact family of: 8 9 17
8 + 9 = 17
9 + 8 = 17
17 - 8 = 9
17 - 9 = 8
A music shop has 20 guitars. 14 are sold. How many are left?
20 - 14 = 6