ADDITION
87 + 47 + 91
225
SUBTRACTION
81-60
21
Rounding to the nearest 10
567
570
MULTIPLICATION
78 X 10
780
DIVISION
400 ÷ 100 =
4
What does inverse mean?
Opposite
ADDITION
1497 + 6594 =
8,091
SUBTRACTION
562-114 =
448
Round to the nearest 100
1, 782
1,800
MULTIPLICATION
41 x 100
4100
DIVISION
80 ÷ 10?
8
Write this number in words: 3,675,998
Three million, six-hundred and seventy-five thousand, nine hundred and ninety eight.
ADDITION
10,000 + 2,000 + 600 + 72
12,672
SUBTRACTION
4000 - 2783 =
1217
Round to the nearest 1,000
675,464
675,000
MULTIPLICATION
5,594 x 1000
5,594,000
DIVISION
9900 ÷ 100
What is the inverse of addition?
Subtraction
ADDITION
7,986 + 1,098
9,084
SUBTRACTION
3024 - 599
2425
Negative Numbers
What is 15 more than -9?
6
MULTIPLICATION
302 x 1000
302,000
DIVISION
54,000 ÷ 1,000 =
What is the inverse of division?
Multiplication
ADDITION
_____ + 845 = 1,088
243
SUBTRACTION
______ - 697 = 2,065
2,762
Negative numbers
-10 + ___ = 241
251
MULTIPLICATION
567 x1000
567,000
DIVISION
9,600,000 ÷ 10
960,000
What is the rhyme for rounding?
5-9 climb the vine
0-4 slide to the floor