Integers and Algebra Revision

Integers

100

Evaluate: -3 + 8

5

200

Evaluate: -7 - (-5)

12

300

Evaluate -6 x 4

-24

400

Evaluate -45 ÷ -9

5

500

Evaluate -8 + 15 - 12

-5

Simplifying (+ and -)

100

4x + 3x

7x

200

9a - 3a

6a

300

12y - 5y + 3

7y + 3

400

-8p + 4 -3p -2

-11p + 2

500

15x - 4 + 7 - 8x

7x + 3

Simplifying (multiply)

100

3 x 4a

12a

200

4y x 3y

12y²

300

-6m x 2

-12m

400

-3a x 5a

-15a²

500

5mn x -2m

-10m²n

Expand the Brackets

100

2(x + 3)

2x + 6

200

5(a + 2)

5a + 10

300

3(y - 4)

3y - 12

400

4(2x + 3)

8x + 12

500

-3a(b - 4)

-3ab + 12

Who Knows?

100

2a x 5b

10ab

200

5m + 4 + 2m

7m + 4

300

-2(m + 5)

-2m - 10

400

(-3) x (-4) + 16 ÷ (-2)

4

500

4(a + 3) - 6a

-2a + 12