Subtract!
549 - 340=
209
345 134 + 10 000 =
What is 355 134
MENTAL MATH
50 x 5 =
250
Mental Math
42 divided into 6 groups
What is 7
What operation do the words " groups of," tell you to perform. example: What is 3 groups of 15
What is multiply or multiplication
Mental Math
200- 149
What is 51
MENTAL MATH
37 + 70 =
What is 107
MENTAL MATH
2 x 12
24
24/4
What is 6
What does "sum," mean
Answer to an addition problem
642-30
612
MENTAL MATH
300 - 199=
What is = 101
Mental Math
12 x 7 =
84
MENTAL MATH
45 divided into 9 groups
What is 5
If a word problem asks you "how much more/less" you should use this operation
Subtraction
562- 202
What is 360
MENTAL MATH
155 + 245 = ?
400
25 x 8 =
What is 200
MENTAL MATH
100 divided into 4 groups
What is 25
What do you call the numbers 4 and 7 in the problem 4 x 7 = 28
factors
Mental Math
60 - 31 =
What is 29
MENTAL MATH
98 + 502 =
What is 600
70 x 5 = ?
350
MENTAL MATH
40 divided into 5 groups
What is 8
What is the word "difference," refer to in math?
Subtraction