Halloween Math

Factors/Multiples

10

What is the definition of a factor?

Numbers you multiply together to get another number.

20

What is the definition of a multiple?

The product of a whole number and any other whole number. Skip counting! 

30

What are the factors of 10?

1, 2, 5, 10

40

What are the first 3 multiples of 13?

13, 26, 39

50

What is the GCF of 8 and 30?

2

Multiplication

10

6 x 12

72

20

4 x 26

104

30

44 x 82

3608

40

3 x 6.65

19.95

50

.91 x .21

.1911

Exponents

10

What is 10³

1,000

20

6 x 6 x 6 x 6 x 6

6⁵

30

10⁸

100,000,000

40

10² + 10⁴

10,100

50

10⁶ x 2

2,000,000

Place Value

10

What are the 3 place values called AFTER the decimal?

tenths, hundredths, thousandths

20

.10 + .04 

Write in standard form

.14

30

.546 

Write in expanded form

.5 + .04 + .006

40

13.07

Write this number in word form.

Thirteen and seven hundredths

50

900 + 50 + 7 + .4 + .09 + .001

Write this number in standard form.

957.491