Math Spiral Week 9

List the factors of 24:

1, 2, 3, 4, 6, 8, 12, 24

List the factors of 24:

1, 2, 3, 4, 6, 8, 12, 24 1 x 24 = 24 2 x 12 = 24 3 x 8 = 24 4 x 6 = 24

List the factors of 4.

1, 2, 4 1 x 4 = 4 4 x 1 = 4 2 x 2 = 4

List the factors of 16:

1, 2, 4, 8, 16 1 x 16 = 16 2 x 8 = 16 4 x 4 = 16

229 x 6 =

1,374

437 x 5 =

2,185

455 x 7 =

3,185

50 x 600 =

30,000

List the first 5 multiples of 4:

4, 8, 12, 16, 20 1 x 4 = 4 2 x 4 = 8 3 x 4 = 12 4 x 4 = 16 5 x 4 = 20

309 - 267 =

42

129 x 4 =

516

Round 7,983 to the nearest tens place.

7,980

List the first 5 multiples of 9:

9, 18, 27, 36, 45 1 x 9 = 9 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45

Is 27 prime or composite?

Composite Factors are 1, 3, 9, 27

True or false: 24 has only 2 factors.

False 1, 2, 3, 4, 6, 8, 12, 24 are all factors of 24

5 x 6 = 5 x 7 = 5 x 8 = These products are _________________ of 5.

Multiples

Is 8 a multiple of 64?

NO 8 is a factor of 64

True or false: 9 is a composite number

TRUE 1, 3, 9 are factors or 9

True or false: 8 is a factor of 24

TRUE 8 x3 = 24

Is 64 a multiple of 8?

YES 8 x 8 = 64

Is 64 a multiple of 8?

YES Show your work: 8 x ? = 64 8 x 8 = 64