Vocabulary
Find the Sum
Find the missing number
Word Problems
Number Sense
100
This sign is used when adding two numbers together.
Plus Sign
100
1+2=
What is 3.
100
2+__=7
5
100
Its partner numbers are 2 and 5.
7
100
1 ten and 5 ones
15
200
The sign tells us that the the math statement on the left is the same value to the math statement on the right.
equal sign.
200
5+3=
What is 8
200
6+__ =10
4
200
If I have 8 counters in my hand and I grab 1 more counter, how many counters do I have?
9
200
8
300
This is a name for the numbers being added together.
addend
300
6+4=
What is 10
300
4+__ =7
3
300
Cindy has 3 flowers. Sara has some others. Altogether they have 8 flowers. Sara has this many flowers
5
300
2 tens and 3 ones
23
400
3+4=7
Number Sentence
400
4+5=
What is 9
400
2+ =12
10
400
Jenny has 7 toy cars. Carl has 2 toy planes. How many toys do they have in all.
9
400
8 tens and 0 ones
80
500
The total amount after addition of the addends.
Sum.
500
9+1=
What is 10
500
2+4+1 = ___
7
500
Jane has 10 balloons. 6 are green the rest are red. How many red balloons does she have?
What is 4
500
15