Vocabulary
Find the Difference
True or False
Number Sentences
Related Facts
100
What symbol do I use in subtraction?
Minus (-)
100
7-2=___
5
100
6-4=2
True
100
Write a subtraction number sentence.
5-2=3
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
10-7=5
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 a subtraction problem is the ________?
Difference
300
8
- 2
------------
6
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
When you look at groups of objects, shapes, or, numbers and see how they are alike or different, you ______________.
Compare
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?
*Write a vertical subtraction number sentence.
8
- 6
-----------
2
400
Write the related subtraction facts.
4+3=____
7-4=3
7-3=4
500
What are related facts?
*BONUS* Can you give an example?
4 number sentences (2 addition and 2 subtraction) that use the same 3 numbers.
* EX. 2+3=5 3+2=5 5-3=2 5-2=3
*Answers can vary. Add extra points if correct!
500
9
- 7
--------------
2
500
Sam has 9 pieces of candy. Sam gives 3 pieces of candy to Luke. Sam has 7 pieces of candy left.
False
500
There are 10 boys in class. There are 6 girls in class. How many fewer girls are there?
10-6=4
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.