Math

Vocabulary

100

set of objects arranged in equal rows and equal columns

array

200

a number that has more than one pair of factors

composite number

300

a series of numbers or shapes that follow a rule to repeat or change

pattern

400

an operation used to find the total number of items in a given number of equal-sized groups

multiplication

500

to give an approximate number or answer based on mathematical thinking

estimate

2-digit Multiplication

100

12x15

180

200

30x25

750

300

82x34

2,788

400

77x69

5,313

500

99x68

6,732

3-digit Multiplication

100

125x4

500

200

256x5

1,280

300

598x8

4,784

400

345x21

7,245

500

999x76

75,924

Multiples and Factors

100

what are the factors of 50

1, 2, 5, 10, 25, 50

200

list the next 5 multiples of 16

32, 48, 64, 80, 96

300

what are ALL the factor pairs of 60

(1, 60), (2, 30), (3, 20), (4, 20), (5, 12), and (6, 10).

400

what are ALL the factor pairs of 160

(1, 160), (2, 80), (4, 40), (5, 32), (8, 20) and (10, 16).

500

What are the factors of 72

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72