Number, NAPX-H4-NC14

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

556

Question

Ben and Megs were playing a game where they both started with zero points.

Ben's final score was 550 points and Meg's final score was −70-70.

How many more points did Ben have than Megs?

Worked Solution
Difference = 550 − (−70)-\ (-70)
= 550 + 70
= 620

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Ben and Megs were playing a game where they both started with zero points. Ben's final score was 550 points and Meg's final score was $-70$. How many more points did Ben have than Megs?
workedSolution
||| |-|-| |Difference| = 550 $-\ (-70)$| ||= 550 + 70| ||= {{{correctAnswer}}}|
correctAnswer
620

Answers

Is Correct?Answer
x

−620-620

x

−480-480

x

480

✓

620

Variant 1

DifficultyLevel

551

Question

The temperature in a town was −8-8°C in the morning and rose to 23°C by the afternoon.

What was the temperature difference?

Worked Solution
Difference = 23 − (−8)-\ (-8)
= 23 + 8
= 31

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The temperature in a town was $-8$°C in the morning and rose to 23°C by the afternoon. What was the temperature difference?
workedSolution
||| |-|-| | Difference | = 23 $-\ (-8)$ | || = 23 + 8 | || = {{{correctAnswer}}} |
correctAnswer
31

Answers

Is Correct?Answer
x

15

x

−15-15

✓

31

x

−31-31

Variant 2

DifficultyLevel

552

Question

A submarine is at a depth of −45-45 metres and a bird is flying at a height of 78 metres.

What is the difference in their heights?

Worked Solution
Difference = 78 − (−45)-\ (-45)
= 78 + 45
= 123

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A submarine is at a depth of $-45$ metres and a bird is flying at a height of 78 metres. What is the difference in their heights?
workedSolution
||| |-|-| | Difference | = 78 $-\ (-45)$ | || = 78 + 45 | || = {{{correctAnswer}}} |
correctAnswer
123

Answers

Is Correct?Answer
x

−123-123

x

−33-33

x

33

✓

123

Variant 3

DifficultyLevel

552

Question

In a quiz, one team scored 85 points and another team scored −35-35 points.

What is the difference between their scores?

Worked Solution
Difference = 85 − (−35)-\ (-35)
= 85 + 35
= 120

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
In a quiz, one team scored 85 points and another team scored $-35$ points. What is the difference between their scores?
workedSolution
||| |-|-| | Difference | = 85 $-\ (-35)$ | || = 85 + 35 | || = {{{correctAnswer}}} |
correctAnswer
120

Answers

Is Correct?Answer
x

−120-120

x

−50-50

x

50

✓

120

Variant 4

DifficultyLevel

554

Question

A business account has a balance of −$245-\$245 and a savings account has a balance of $380.

What is the difference between the two balances?

Worked Solution
Difference = 380 − (−245)-\ (-245)
= 380 + 245
= $625

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A business account has a balance of $-\$245$ and a savings account has a balance of $380. What is the difference between the two balances?
workedSolution
||| |-|-| | Difference | = 380 $-\ (-245)$ | || = 380 + 245 | || = {{{correctAnswer}}} |
correctAnswer
$625

Answers

Is Correct?Answer
✓

$625

x

$135

x

−$135-\$135

x

−$625-\$625

Variant 5

DifficultyLevel

555

Question

A mountain peak is at 480 metres above sea level and a valley is at −65-65 metres below sea level.

What is the difference in height between the mountain peak and the valley?

Worked Solution
Difference = 480 − (−65)-\ (-65)
= 480 + 65
= 545

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A mountain peak is at 480 metres above sea level and a valley is at $-65$ metres below sea level. What is the difference in height between the mountain peak and the valley?
workedSolution
||| |-|-| | Difference | = 480 $-\ (-65)$ | || = 480 + 65 | || = {{{correctAnswer}}} |
correctAnswer
545

Answers

Is Correct?Answer
x

−545-545

✓

545

x

−415-415

x

415

Tags

  • nap_nc
  • staging_suejones