Add like terms
Subtract like terms
Expression
Miss W
100

7a + 2a

What is 9a

100

4a - 2a

What is 2a

100

b + 4 for b=2

What is 6

100

What is special about this week?

maths week ireland

200

3b + 6b

What is 9b

200

12b-10b

what is 2b

200

b +10 for b=10

What is 20

200

what is miss warnocks first name

sarah

300

10b +20b

What is 30b

300

25b-20b

What is 5b

300

b - 5 for b=8

What is 3

300

where is miss warnock from

maghera

400

5b + 4b + 3b

What is 12b

400

100b -90b

What  is 10b

400

2b + 4 for b=3

what is 10

400

how many years has miss warnock been at stlouis

5

500
10b + 20b + 30b

what is 60b

500

300b -200b

what is 100b

500

3b - 30 for b=10

what is zero

500

how many brothers and sisters does miss warnock have

1 brother