Algebra, NAPX-p123670v01

Question

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Worked Solution

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Variant 0

DifficultyLevel

570

Question

Torvil has 18 scarves.

Dean has 5 less scarves than Torvil.

Which of these shows how to work out the total number of scarves they have altogether?

Worked Solution

Torvil's scarves = 18

Dean's scarves = 18 − 5
∴\therefore Total scarves = 18 + 18 − 5
= 2 ×\times 18 − 5

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Torvil has 18 scarves. Dean has 5 less scarves than Torvil. Which of these shows how to work out the total number of scarves they have altogether?
workedSolution
Torvil's scarves = 18 Dean's scarves = 18 − 5
| | | | ------------: | ---------- | | $\therefore$ Total scarves | \= 18 + 18 − 5 | | | \= {{{correctAnswer}}} |
correctAnswer
2 $\times$ 18 − 5

Answers

Is Correct?Answer
x

18 − 5

x

18 + 5

✓

2 ×\times 18 − 5

x

2 ×\times 18 + 5

Variant 1

DifficultyLevel

572

Question

Bilbo has 14 rings.

Gandalf has 7 more rings than Bilbo.

Which of these shows how to work out the total number of rings they have altogether?

Worked Solution

Bilbo's rings = 14

Gandalf's rings = 14 + 7
∴\therefore Total rings = 14 + 14 + 7
= 14 ×\times 2 + 7

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Bilbo has 14 rings. Gandalf has 7 more rings than Bilbo. Which of these shows how to work out the total number of rings they have altogether?
workedSolution
Bilbo's rings = 14 Gandalf's rings = 14 + 7
| | | | ------------: | ---------- | | $\therefore$ Total rings | \= 14 + 14 + 7 | | | \= {{{correctAnswer}}} |
correctAnswer
14 $\times$ 2 + 7

Answers

Is Correct?Answer
x

14 ×\times 2 − 7

✓

14 ×\times 2 + 7

x

14 − 7

x

14 + 7

Variant 2

DifficultyLevel

571

Question

Bailey has saved $54.

Logan has saved $8 more than Bailey.

Which of these shows how to work out the total savings they have altogether?

Worked Solution

Bailey's savings = $54

Logan's savings = $54 + $8
∴\therefore Total savings = 54 + 54 + 8
= 54 ×\times 2 + 8

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Bailey has saved $54. Logan has saved $8 more than Bailey. Which of these shows how to work out the total savings they have altogether?
workedSolution
Bailey's savings = $54 Logan's savings = $54 + $8
| | | | ------------: | ---------- | | $\therefore$ Total savings | \= 54 + 54 + 8 | | | \= {{{correctAnswer}}} |
correctAnswer
54 $\times$ 2 + 8

Answers

Is Correct?Answer
✓

54 ×\times 2 + 8

x

54 ×\times 2 − 8

x

54 − 8

x

54 + 8

Variant 3

DifficultyLevel

567

Question

Rachel has knitted 15 soft toys for charity.

Charli has knitted 4 soft toys less than Rachel.

Which of these shows how to work out the total number of soft toys they have knitted altogether?

Worked Solution

Rachel's soft toys = 15

Charli's soft toys = 15 − 4
∴\therefore Total soft toys = 15 + 15 − 4
= 2 ×\times 15 − 4

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Rachel has knitted 15 soft toys for charity. Charli has knitted 4 soft toys less than Rachel. Which of these shows how to work out the total number of soft toys they have knitted altogether?
workedSolution
Rachel's soft toys = 15 Charli's soft toys = 15 − 4
| | | | ------------: | ---------- | | $\therefore$ Total soft toys | \= 15 + 15 − 4 | | | \= {{{correctAnswer}}} |
correctAnswer
2 $\times$ 15 − 4

Answers

Is Correct?Answer
x

15 − 4

x

15 + 4

x

2 ×\times 15 + 4

✓

2 ×\times 15 − 4

Variant 4

DifficultyLevel

572

Question

Gayle collected 34 eggs from her chickens yesterday.

Today Gayle collected 8 more eggs than yesterday.

Which of these shows how to work out the total number of eggs Gayle collected altogether?

Worked Solution

Yesterday's eggs = 34

Today's eggs = 34 + 8
∴\therefore Total eggs = 34 + 34 + 8
= 2 ×\times 34 + 8

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Gayle collected 34 eggs from her chickens yesterday. Today Gayle collected 8 more eggs than yesterday. Which of these shows how to work out the total number of eggs Gayle collected altogether?
workedSolution
Yesterday's eggs = 34 Today's eggs = 34 + 8
| | | | ------------: | ---------- | | $\therefore$ Total eggs | \= 34 + 34 + 8 | | | \= {{{correctAnswer}}} |
correctAnswer
2 $\times$ 34 + 8

Answers

Is Correct?Answer
x

34 − 8

x

34 + 8

x

2 ×\times 34 − 8

✓

2 ×\times 34 + 8

Variant 5

DifficultyLevel

573

Question

Samantha baked 90 cupcakes today.

Yesterday she baked 24 more cupcakes than today.

Which of these shows how to work out the total number of cupcakes Samantha has baked altogether?

Worked Solution

Today's cupcakes = 90

Yesterday's cupcakes = 90 + 24
∴\therefore Total cupcakes = 90 + 90 + 24
= 2 ×\times 90 + 24

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Samantha baked 90 cupcakes today. Yesterday she baked 24 more cupcakes than today. Which of these shows how to work out the total number of cupcakes Samantha has baked altogether?
workedSolution
Today's cupcakes = 90 Yesterday's cupcakes = 90 + 24
| | | | ------------: | ---------- | | $\therefore$ Total cupcakes | \= 90 + 90 + 24 | | | \= {{{correctAnswer}}} |
correctAnswer
2 $\times$ 90 + 24

Answers

Is Correct?Answer
✓

2 ×\times 90 + 24

x

2 ×\times 90 − 24

x

90 + 24

x

90 − 24

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