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Explain what we mean by collecting like terms i.e. a + a + b + b +b

Simplify a + a + b + b + b

A

2a + 3b

B

3b + 2a

C

2a + b

D

a + 3b

Simplify 2a + a + b + b -3 b

A

3a + 5b

B

2a - 3b

C

3a - b

D

2a - 3b

Simplify -2a + a + b + -b -3 b

A

3a + 5b

B

a + 5b

C

a - 4b

D

-a - 3b

Describe what is meant by substitution in a mathematical expression

If a = 3 and b = 7 calculate 2a + b

A

10

B

6

C

13

D

7

If a = 3 and b = 7 calculate 2a + 3b

A

23

B

6

C

21

D

27

If a = 3 and b = 7 calculate 2a - 3b

A

-15

B

15

C

-5

D

5

If a = -3 and b = -7 calculate 2a + 3b

A

-27

B

27

C

-15

D

15

Describe what you can see in the diagram above

Describe the name of the blue shape below

A

Heptagon

B

Hexagon

C

Henagon

D

Hebagon

Write down the equation for the following diagram

A

h + s

B

h + s = 25

C

4h = 25

D

4h + s = 25

Select the correct sentences which describe the image above.

A

There are 2 equations.

B

There is a total of 5 heptagons.

C

There are 8 squares.

D

The total of the 2 equations is 11.

Select the correct sentences which describe the image above.

A

2h + 3s = 6

B

3s + 2h = 6

C

6 = 3s + 2h

D

2h + 3s = 5

Select the correct answer for the sum of the 2 equations.

A

5h + 3s = 11

B

3s + 8h = 11

C

5h + 8s = 5

D

5h + 8h = 11

If 4x + y = 19 and x + 2y = 10, what is the value of 5x + 3y?

A

15

B

22

C

29

D

Cannot tell

If 4x + y = 19 and x + 2y = 10, what is the value of 3x - y?

A

9

B

26

C

16

D

Cannot tell

If a + 5b = 20 and 3a - 8b = -5, what is the value of 4a - 3b?

A

-25

B

-15

C

15

D

25