Vocabulary
What is subtraction?
A related subtraction fact for 6+2=8.
What is 8-2=6 or 8-6=2?
True or False: 9-0=0.
What is false? 9-0=9.
There are 4 people hiking on a trail. 2 of the people go home. How many people are left hiking?
What is 4-2=2 or 2 people hiking?
Solve: 8-0= ?
What is 8?
Another word for subtraction.
What is less than or to take away?
A related subtraction fact for 4+5=9.
What is 9-5=4 or 9-4=5?
True or false: 7-4=3.
What is true?
Benny rides the bus to school. The school is 10 blocks from his house. Benny's bus has gone 5 blocks. How many more blocks to his school?
What is 10-5=5 or 5 more blocks?
Solve: 9-5=?
This is the answer to a subtraction number sentence.
What is a difference?
Related or not related. 2+7=9 and 9-7=2.
What is related facts?
True or false: 10-4=7.
What is false? 10-4=6.
Raj needs 2 eggs to make cookies for the bake sale. Sarah needs 3 eggs to make a cake. There are only 2 eggs in the fridge. How many eggs do they need to buy at the store?
What is 5-2=3 or 3 eggs?
Solve: 7-2=?
What is 5?
9-7=2.
What is a subtraction number sentence?
Related or not related. 6+4=10 and 14-6=8.
What is not related? Different fact families.
True or false: 0=7-0.
What is false? 7-0=7.
What is how many tigers are still sleeping?
Solve: ?=6-3.
What is 3?
Addition and subtraction number sentences that use the same numbers.
What are related facts?
What is 6-1=5 and 6-5=1?
True or false. There are 6 turkeys for Thanksgiving dinner. 3 turkeys get eaten. 2 turkeys are left over.
What is false? 3 turkeys are left over 6-3=3.
Mark planted 5 rows of corn. He planted 2 fewer rows of beans than corn. How many rows of beans and corn did Mark plant in all?
What is 5+3=8 or 8 rows of beans and corn?
Solve: 10-7=?
What is 3?