Vocabulary
Add/Subtract
True or False
Number Sentences
Related Facts
100
When you see the words "altogether" or "in all" you________
Add
100
7-2=___
5
100
6-4=2
True
100
Write an addition number sentence.
(answers vary)
100
Write the related facts for the numbers 2, 3, and 5.
____+_____=_____
____+_____=_____
____-_____=______
____-_____=______
2+3=5
3+2=5
5-3=2
5-2=3
200
When you take away, you ___________.
Subtract
200
10-6=______
4
200
9+8=16
False
200
Write a subtraction number sentence.
7-2=5
200
Write the related facts for 4,2, and 6.
____+_____=_____
____+_____=_____
____-_____=______
____-_____=______
2+4=6
4+2=6
6-2=4
6-4=2
300
The answer to an addition problem is the ________?
Sum
300
6+6=
12
300
8
- 6
--------------
4
False
300
Write a number sentence that matches the picture.
5-1=4
300
Write the related facts for 5, 4, and 9.
4+5=9
5+4=9
9-5=4
9-4=5
400
What are the 2 numbers called that you add together in an addition number sentence?
Addends
400
9
- 5
--------------
4
400
There are 7 ducks in a pond. 5 ducks go home. 2 ducks are still left in the pond.
True
400
There are 8 bees on a flower. 6 of the bees fly away. How many bees are still on the flower?
8
- 6
-----------
2
400
Write the related subtraction facts.
4+3=____
7-4=3
7-3=4
500
How many related facts can you make from a fact family of 3 numbers?
4 (2 addition and 2 subtraction)
500
9+7=
16
500
Sam has 9 pieces of candy. Luke has 3 pieces. They have 11 pieces of candy altogether.
False
500
There are 10 boys in class. There are 6 girls in class. How many kids are there in all?
10+6=16
500
Write your own related fact.
Answers can vary. Check that there are 4 number sentences (2 addition & 2 subtraction) and that they use the same 3 numbers.