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Words to know
Simple Addition
Mystery
Adding with one re-grouping
Ading with more than one re-grouping
100
Changing a number to the nearest 10, 100 or 1000
What is rounding?
100
4+5
What is 9
100
When a math problem is written with one number under the other.
What is vertical?
100
6+7=
What is 13?
100
77+66=
What is 143?
200
Numbers that end in 0,2,4,6 or 8.
What are even numbers?
200
6+2
What is 8?
200
When a mathe problem is written across the page from left to right.
What is horizontal?
200
5+5=
What is 10?
200
88+96=
What is 184?
300
Numbers that end in 1,3,5,7 or 9.
What are odd numbers?
300
4+4
What is 8
300
To find the answer to a problem.
What is to solve?
300
7+5=
What is 12?
300
19+91=
What is 110?
400
0,1,2,3,4,5,6,7,8,9 and so on.
What are whole numbers?
400
5+3
What is 8?
400
The symbols used to write numbers: 1,2,3,4,5,6,7,8 and 9.
What are digits?
400
18+7=
What is 25?
400
75+55=
What is 130?
500
The amount obtained by adding.
What is the sum?
500
5+2
What is 7?
500
To quickly find an answr that is close to the exact answer.
What is estimating?
500
9+9=
What is 18?
500
98+77=
What is 175?