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
3+4=7
Number Sentence
300
8+5=
What is 13
300
2+___ =9
7
300
Jenny has 7 toy cars. Carl has 8 toy planes. How many toys do they have in all.
15
300
8 tens and 0 ones
80
400
This is a name for the numbers being added together.
addend
400
6+4=
What is 10
400
8+__ =10
2
400
Cindy has 9 flowers. Sara has some others. Altogether they have 12 flowers. Sara has this many flowers
3
400
2 tens and 3 ones
23
500
The total amount after addition of the addends.
Sum.
500
9+5=
What is 14
500
5+5= ___
10
500
Jane has 9 balloons. 6 are green the rest are red. How many red balloons does she have?
What is 3
500
9 ones
9