Vocabulary
Find the Sum
Find the missing number
Word Problems
(Blank)
100

This means to put things together in math. What does this symbol look like?

Addition   +

100

10+3=____

13

100

2 + __ = 7

What is 5

100

Its partner numbers are 2 and 5.

What is 7

100

What are two equations that are a sum of 10

Ex: 5+5=10

8+2=10

7+3=10

6+4=10

5+5=10

200

This means to take things apart in math. What does this symbol look like?

subtract   -

200

15+2=____

17

200

6 + __ = 10

What is 4

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 are two equations to get a sum of 16?

Ex: 10+6=16

(---)

300

What does it mean to take the sum? What does this symbol look like?

Addition

Subtraction

Multiplication

Division

addition  +

300
9+8=___
17
300

8 + __ = 14

6

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

what are 3 equations to get a sum of 13?

Ex: 10+3=13

12+1=13

11+2=13

10+3=13

9+4=13

8+5=13

7+6=13

400

what does difference mean in math? What does this symbol look like?

subtraction   -

400

20+5=___

25

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.
What is 15
400

What are 3 ways to get a sum of 18?

Ex: 10+8=18

17+1=18

16+2=18

15+3=18

14+4=18

13+5=18

12+6=18

11+7=18

10+8=18

9+9=18

500

a number or a combination of numbers and symbols that represents a given value, such as 2 + 3 or 10 – 4 + 1

Expression OR Equation

500

33+11=___

44

500

18 + __ = 26

8

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

What are 4 ways to get a sum of 16?

Ex: 10+6=16

15+1=16

14+2=16

13+3=16

12+4=16

11+5=16

10+6=16

9+7=16

8+8=16