Division
Multiplication
Compatible Numbers
Compatible Numbers
Divisibility Rules
100

500 / 10

50

100

12 x 6

72

100

Write a new equation using compatible numbers.

1,929 / 11

2,000 / 10

100

Write a new equation using compatible numbers.

2,354 / 9

2,400 / 8

100

2 can go into any number that ends in ______

An even number

Ex.3,218 is divisible by 2 because 8 is even.

200

1,200 / 60

20

200

72 x 4

288

200

Write a new equation using compatible numbers.

42,321 / 8

42,000 / 7

200

Write a new equation using compatible numbers.

49,023 / 5

49,000 / 7

200

A number is divisible by 5 if it ends in a ______ or _______.

0 or 5

Ex.

67,890 is divisible by 5 because it ends in a 0


300

1,500 / 3

500

300

82 x 9

738

300

Write a new equation using compatible numbers.

58,980 / 16

60,000 / 15

300

Write a new equation using compatible numbers.

62,837 / 82

63,000 / 90

300

A number is divisible by 3 if the sum of the digits is __________

Multiple of 3

Ex.

672 is divisible by 3 because 6+7+2=15 and 15 is divisible by 3.

400

105/3

35

400

250 x 30

7500

400

Write a new equation using compatible numbers.

5,301 / 8

5,400 / 9

400

Write a new equation using compatible numbers.

47,348 / 11

48,000 / 12

400

A number is divisible by 6 if it is also divisible by ______ and _______.

2 and 3


Ex.

96 is divisible by 2 and 3, so it is divisible by 6

500

1,800 / 600

3

500

1,500 x 30

45,000

500

Write a new equation using compatible numbers.

74,025 / 78

72,000 / 80

500

Write a new equation using compatible numbers.

580,891 / 14

600,000 / 15

500

A number is divisible by 4 if__________

The last two digits are divisible by 4

Ex. 5,432 is divisible because of 32