Addition +
Subtraction -
Rounding and
Negative Numbers
x by 10, 100, 1,000
÷ by 10, 100, 1,000
Maths Vocab
10

ADDITION

87 + 47 + 91

225

10

SUBTRACTION

81-60

21

10

Rounding to the nearest 10

567

570

10

MULTIPLICATION

78 X 10

780

10

DIVISION

400 ÷  100 =

4

10

What does inverse mean?

Opposite

50

ADDITION

1497 + 6594 = 

8,091

50

SUBTRACTION

562-114 =

448

50

Round to the nearest 100

1, 782

1,800

50

MULTIPLICATION

41 x 100

4100

50

DIVISION

80 ÷ 10?

8

50

Write this number in words: 3,675,998

Three million, six-hundred and seventy-five thousand, nine hundred and ninety eight.

100

ADDITION

10,000 + 2,000 + 600 + 72

12,672

100

SUBTRACTION

4000 - 2783 =

1217

100

Round to the nearest 1,000

675,464

675,000

100

MULTIPLICATION

5,594 x 1000

5,594,000

100

DIVISION

9900 ÷  100

99
100

What is the inverse of addition?

Subtraction

100

ADDITION

7,986 + 1,098

9,084

100

SUBTRACTION

3024 - 599

2425

100

Negative Numbers

What is 15 more than -9?

6

100

MULTIPLICATION

302 x 1000

302,000

100

DIVISION

54,000 ÷ 1,000 =

54
100

What is the inverse of division?

Multiplication

200

ADDITION

_____ + 845 = 1,088

243

200

SUBTRACTION

______ - 697 = 2,065

2,762

200

Negative numbers

-10 + ___ = 241

251

200

MULTIPLICATION

567 x1000

567,000

200

DIVISION 

9,600,000 ÷ 10

960,000

200

What is the rhyme for rounding?

5-9 climb the vine

0-4 slide to the floor

M
e
n
u