Vocabulary
Addition
Find the missing number
Word Problems
Subtraction
100

This means to join numbers together.

addition

100
1+2=
What is 3.
100
2+ =7
What is 5
100

Eric has 2 pencils and Caden gives him 3 more. How many pencils does he have all together?

5 Pencils

100

4-1=

3

200

This means to take away numbers in a problem.

subtraction

200
5+3=
What is 8
200
6+ =10
What is 4
200

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

2 counters

200

10-5=

5

300

What are the place values in a two digit number?

Tens and ones

300
6+4=
What is 10
300
8- =4
What is 4
300

Sydney has 9 flowers. Janiyah has some others. together they have 12 flowers. How many flowers does Janiyah have?

3 flowers

300

4+3=

7

400

What is the answer of a addition called?

Sum

400

65+10=

75

400
2+ =12
What is 10
400

Jayden has 7 toy cars. Alex has 8 toy planes. How many toys do they have in all?

15 toys

400

18-7=

11

500

What does it mean to break down a number

decompose

500

40+20=

60

500
18- =10
What is 8
500

Elijah has 12 balloons. 6 are green the rest are red. How many red balloons does he have?

6 Red balloons

500

37-22=

15