Subtraction Basics Subtracting Related Facts Solve for Unknowns Word Problems
100
Big Bossy Number
What is the another name for the "whole"
100
5
What is 10 - 5 =
100
11 - 3 = 8
What is the related subtraction fact for 11 - 8 = 3
100
4
12 - ___ = 8
100
12 crayons
I start with 16 crayons, but I lose 4. How many crayons do I have left to use?
200
FIRST
The Big Bossy Number always comes...
200
9
What is 16 - 7 =
200
12 - 7 = 5
What is the related subtraction fact for 12 - 5 = 7
200
6
17 - ___ = 11
200
3 treats
Kip loves to eat treats. I have 8 treats for him, and he eats 5. How many treats do I have left?
300
12
Which is the big bossy number in 12 - 5 = 7
300
6
What is 11 - 5 =
300
4 + 9 = 13 or 9 + 4 = 13
What is a related addition fact for 13 - 9 = 4
300
3
15 = 18 - ___
300
6 pieces
There are 17 pieces of pizza. The kids ate 11 of them. how much pizza is left?
400
the whole
Which is bigger,the part or the whole?
400
13
What is 23 - 10 =
400
answer: 9; related addition fact: 9 + 5 = 14 or 5 + 9 + 14
Solve, then find a related addition fact: 14 - 5 =
400
16
19 - ___ = 3
400
9 cars
There were 17 cars in the parking lot. Then, some drove off. Now there are only 8 cars. How many cars drove off?
500
the difference
What is the answer to a subtraction problem called?
500
22
What is 33 - 11 =
500
5 + 6 = 11
6 + 5 = 11
11 - 5 = 6
11 - 6 = 5
Find the 4 facts for this fact family: 5 6 11
500
13
20 = 33 - ___
500
14 pieces
I have a bag of candy corn. I count 24 pieces to start with, but then I eat some. Now I only have 10 pieces. How many did I eat?






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