___________
Maths
Expressions and equations
Starter quiz
Try it
Give to class
Look at
4(y-7)+8(y-7)
. Inside each bracket you can see matching __________.
equations
expressions ✓
formulas
answers
Which of the below is equivalent to
6 \times 7+2 \times 7
?
(6+2)\times 7
✓
42 \times 14
(6+2) \times 14
Expand
5(x-3)
5x-3
5x+3
5x+15
5x-15
✓
Which of the below are equivalent to
11 \times 6 + 11 \times 4
?
66 \times 44
11 \times 10
✓
22 \times (6+4)
22 \times 10
11 \times (6+4)
✓
Expand and simplify
6(e-f)+2(f-e)
8e+8f
8e+4f
4e+8f
4e+4f
4e-4f
✓
Match the expressions to the correct first step when expanding before simpifying.
5(a+3)+2(a-8)
⇔
5a+15+2a-16
✓
5(a-3)+2(a-8)
⇔
5a-15+2a-16
✓
5(a+3)-2(a+8)
⇔
5a+15-2a-16
✓
5(2a+3)+2(a-8)
⇔
10a+15+2a-16
✓
5a(a+3)+2(a-8)
⇔
5a^2+15a+2a-16
✓
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