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Vocabulary
Find the Sum
Find the missing number
Word Problems
Number Family
100
This means to put things together in math.
add.
100
1+2=
3.
100
2+_=7
5
100
Jeffery has 3 cats at his house. Abigail has 4 dogs at her house. How many animals are altogether?
7
100
Create the number family for 5, 3, and 8
5+3=8 3+5=8 8-3=5 8-5=3
200
This means to take things apart in math.
subtract.
200
5+3=
8
200
6+_=10
4
200
If I have 8 counters in my hand and put 6 in a box, I have this many left in my hand.
2
200
Create a number family for 6, 6, and 12
6+6=12 6+6=12 12-6=6 12-6=12
300
sum
add
300
6+4=
10
300
8-_=4
4
300
Cindy has 9 flowers. Sara has some others. Altogether they have 12 flowers. Sara has this many flowers
3
300
What is the number family for 6+4=10 4+6=10 10-4=6 10-6=4
6, 4, and 10
400
difference
subtract
400
8+5=
13
400
2+_=12
What is 10
400
Jenny has 7 toy cars. Carl has 8 toy planes. How many toys do they have in all.
15
400
Create the Number family for 3 and 4
3+4=7 4+3=7 7-3=4 7-4=3
500
Fact family
What is three numbers that go together to make a math fact.
500
9+5=
14
500
18- _=10
8
500
Jane has 9 balloons. 6 are green the rest are red. How many red balloons does she have?
3
500

What is the number Family for 8+3=11 3+8=11 11-8=3 11-3=8

3, 8, and 11