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Lib Year 4 bk 8 – 22.9 Algebra writing expressions

Lib Year 4 bk 8 – 22.9 Algebra writing expressions

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Question 1 of 15

1. Question
Michael is x years old. Michael has an uncle who is twice his age, plus 14. How old is Michael’s uncle?

Choose the correct formula.
- x+14
- 2x+14
- 2x+7
- x-14
Correct

Incorrect
Question 2 of 15

2. Question
A football team scored 2 goals in the first half and x goals in the second half. How many goals did they score in total?

Choose the correct formula.
- x+3
- x-2
- 2x+1
- 2+x
Correct

Incorrect
Question 3 of 15

3. Question
Charlie is x centimetres tall. His sister, Emma, 30 cm shorter. How tall is Emma?

Choose the correct formula.
- x+30
- 2x+30
- x-30
- x-60
Correct

Incorrect
Question 4 of 15

4. Question
In a supermarket meal deal, a sandwich costs £2, a packet of crisps costs £1 and a drink costs £x. How much does a meal deal cost altogether?
- £3+x
- £2-x
- £2+x
- £3-x
Correct

Incorrect
Question 5 of 15

5. Question
The amount of flour in a cake recipe is x grams. I want to double my recipe. How much flour will I need.

Choose the correct formula.
- 2x
- 0.5x
- x
- x+2
Correct

Incorrect
Question 6 of 15

6. Question
Mary has a length of ribbon which is 85cm long. Mary cuts off y cm of ribbon to use. How much ribbon is left?

Choose the correct formula.
- y+85
- 85-2y
- 85+y
- 85-y
Correct

Incorrect
Question 7 of 15

7. Question
Ella has 12 biscuits. She has x number of friends she wants to share them with. How many cookies does each friend get.

Choose the correct formula
- x + 12
- 12 ÷ x
- 12x
- 12 ÷ 3x
Correct

Incorrect
Question 8 of 15

8. Question
A tree is x metres tall. A second tree is 3 times the height of the first tree, plus another 2 metres. How tall is the second tree?

Choose the correct expression.
- 2x+3
- 2x
- 3x+2
- x+3
Correct

Incorrect
Question 9 of 15

9. Question
Ruby is x years old. Her grandmother is 4 times her age, plus 10. How old is Ruby’s grandmother?

Choose the correct expression.
- 10x+4
- 4x+10
- x+4
- 4x-10
Correct

Incorrect
Question 10 of 15

10. Question
John has a bag of 24 sweets. John eats x number of sweets. How many sweets are left?

Choose the correct formula.
- x-24
- 2x-12
- 24+x
- 24-x
Correct

Incorrect
Question 11 of 15

11. Question
The cost of a child’s train ticket is x. An adult train ticket is twice the cost, plus an extra £3.50. How much is an adult’s ticket.

Choose the correct formula.
- 2x + £3.50
- 2x – £3.50
- x + £3.50
- 2x
Correct

Incorrect
Question 12 of 15

12. Question
A plumber has a length of pipe y metres long. He cuts off 3.6m to use on a project. How much pipe is left over?

Choose the correct formula.
- y+3.6
- 0.5y-3.6
- y-3.6
- 2y+3.6
Correct

Incorrect
Question 13 of 15

13. Question
Gemma is y cm taller than her sister. Her sister is 106 cm tall. How tall is Gemma?

Choose the correct formula.
- 106+y
- 10.6-y
- 106-y
- 106y
Correct

Incorrect
Question 14 of 15

14. Question
A hardware shop sells x screws for £50. A second hardware shop sells two and a half times the amount of screws for the same price.

Choose the correct formula.
- 2.5x
- 2x
- 2x+0.5
- x+2.5
Correct

Incorrect
Question 15 of 15

15. Question
Nina is x cm tall. Jane is twice Nina’s height. Jack is 60cm taller than Jane. How tall is Jack?

Choose the correct formula.
- 2x-60
- x+60
- x-62
- 2x+60
Correct

Incorrect

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