chapter 6 math equations

algebraic properties

100

what is a commutative property

changing the order of numbers being added or multiplied does not change the final result.

200

what is a associative property

the grouping of numbers when adding or multiplying doesn't change the final result

300

what is identity properties

The sum of a addend and 0 is the addend. the product of a factor and 1 is the factor

Numerical expresions

100

9+12-15=

6

200

22-17+8=

13

300

9-2+3=

10

400

6-2+3-2+6=

11

500

923-422+692=

1193

write equations as exponents

100

6x6x6x6

6 to the power of 4

200

4x4x4

4 to the power of 3

300

9x9x9x9x9

9 to the power of 5

400

1x1x1x1x1

1 to the power of 5

500

666x666x666=

666 to the power power of 3

adding or subtracting fractions in the simplest form

100

4/5-1/2=

3/10

200

8/9+2/3=

14/9 or 1 and 5/9

300

1/2 + 1/3 =

5/6

400

2/3 - 1/4 =

5/12

500

1/2 + 2 1/4 =

3 1/4

multiply number patterns

100

7x7x7=

343

200

2x2x2=

8

300

9x9x9x9=

6561

400

6x6x6x6

1296

500

1x1x1x1

1