VOCAB
addition
subtraction
multiplication
division
100

A __________ number is a number without fractions

WHOLE NUMBER

100

14 + 15=

29

100

23 - 7 =

16

100

6 x 3 =

18

100

16/ 2

8

200

A __________ is part of a whole number

A FRACTION

200

20 + 13 + 16=

49

200

42 - 22=

20

200

8 x 1

8

200

15/5

3

300

The bottom of a fraction is called the______

DENOMINATOR

300

210 + 310

520

300

320- 120=

200

300

5 x 4

20

300

60/6

10

400

a collection of related addition and subtraction facts, or multiplication and division facts, made from the same numbers

FACT FAMILY

400

222 + 111+ 333=

666

400

412 - 322

90

400

9 x 5

45

400

25/5

5

500

The change in the order of two numbers in an addition or multiplication operation does not change the sum or the product

COMMUNATIVE PROPERTY

500

1,090 + 123

1,213

500

45 - 17 - 6=

22

500

9 x 7

63

500

9/3 

3