VOCABULARY
=
What is the equal sign?
Count back on a number line to subtract 18-4. This is the difference.
What is 14?
10=14-4
What is true?
7+7=14, 14-7=7
These are the numbers in this fact family.
What is 7, 7, and 14?
6-3=
What is 3?
15-8
What is subtract?
Mali has 12 blueberries. She eats 4. This is the number of blueberries does she have left.
What is 8 blueberries?
13-4=11
What is false?
4, 5, and 9. This is an addition sentence in this fact family.
What is 4+5=9 or 5+4=9?
12-6=
What is 6?
This is the 2 in 5-3=2.
What is the difference?
This doubles fact can help you subtract 14-6.
What is 7+7=14?
17-?=8. This number makes the equation true.
What is 9?
4, 5, and 9. This is an subtraction sentence in this fact family.
What is 9-5=4 or 9-4=5?
13-8=
What is 5?
2+4=6
4+2=6
6-2=4
6-4=2
What is fact famliy?
This is an addition fact that can help you subtract
12-3.
What is 9+3=12 or 3+9=12?
8-6=7-5
What is true?
6, 8, and 14. This is an addition sentence in this fact family.
What is 6+8=14 or 8+6=14?
15-7=
What is 8?
?-4=2. The ? is this.
What is the unknown?
Easton feeds 15 ducks and geese at the pond. He feeds 8 geese. This is the number of ducks he fed.
What is 7 ducks?
9-4=10-3
What is false?
4, 5, and 9. These are the addition and subtraction sentence in this fact family.
What is 4+5=9, 5+4=9, 9-4=5, 9-5=4?
17-9=
What is 8?