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Vocabulary
Find the Sum
Find the missing number
doubles plus one
Doubles
100

This means to put things together in math.

What is add.

100

1+2=

What is 3.

100

2+ =4

2

100

Its partner numbers are 2 and 5.

What is 7

100

what is 2 + 2

4

200

This means to take things apart  or take away in math.

What is subtract or minus

200

5+3=


10 + 16 =

What is 8 


what is 26

200

6+ =12

 6

200

If I have 8 counters in my hand and put 6 in a box, I have this many left in my hand.

What is 2

200

What 4 + 4

8

300
sum
What is add
300
6+4=
What is 10
300

8- = 4

 4

300
Cindy has 9 flowers. Sara has some others. Altogether they have 12 flowers. Sara has this many flowers
What is 3
300

10

What is 5 + 5

400
difference
What is subtract
400

8+5=



13

400

5+ =10

What is 5

400
Jenny has 7 toy cars. Carl has 8 toy planes. How many toys do they have in all.
What is 15
400

What is 3 + 3

6

500
number family
What is three numbers that go together to make a math fact.
500

9+ 9 =

18

500

4- =2

What is 2

500
Jane has 9 balloons. 6 are green the rest are red. How many red balloons does she have?
What is 3
500

What is 4 + 4

8