30204

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

524

Question

At sunrise the temperature is −4-4°C.

At midday the temperature is 13°C.

Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunrise?

Worked Solution

Degrees warmer

= 13 −(−4)- (-4)

= 13 + 4

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At sunrise the temperature is $-4$°C. At midday the temperature is 13°C. Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunrise?
workedSolution
sm_nogap Degrees warmer >>= 13 $- (-4)$ >>= {{{correctAnswer}}}
correctAnswer
13 + 4

Answers

Is Correct?Answer
✓

13 + 4

x

13 ÷\div 4

x

−4-4 + 13

x

4 −- 13

Variant 1

DifficultyLevel

523

Question

At sunrise the temperature is −6-6°C.

At midday the temperature is 2°C.

Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunrise?

Worked Solution

Degrees warmer

= 2 −(−6)- (-6)

= 2 + 6

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At sunrise the temperature is $-6$°C. At midday the temperature is 2°C. Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunrise?
workedSolution
sm_nogap Degrees warmer >>= 2 $- (-6)$ >>= {{{correctAnswer}}}
correctAnswer
2 + 6

Answers

Is Correct?Answer
x

−6 + 2

x

6 ÷ 2

x

2 − 6

✓

2 + 6

Variant 2

DifficultyLevel

522

Question

At midday the temperature is 1212°C.

At 9pm the temperature is −3°C.

Which one of these calculations can be used to work out how many degrees warmer it is at midday than at 9 pm?

Worked Solution

Degrees warmer

= 12 −(−3)- (-3)

= 12 + 3

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At midday the temperature is $12$°C. At 9pm the temperature is −3°C. Which one of these calculations can be used to work out how many degrees warmer it is at midday than at 9 pm?
workedSolution
sm_nogap Degrees warmer >>= 12 $- (-3)$ >>= {{{correctAnswer}}}
correctAnswer
12 + 3

Answers

Is Correct?Answer
x

−3 + 12

✓

12 + 3

x

12 ÷ 3

x

3 − 12

Variant 3

DifficultyLevel

521

Question

At sunrise the temperature is −4-4°C.

At 11pm the temperature is −2-2°C.

Which one of these calculations can be used to work out how many degrees warmer it is at 11 pm than at sunrise?

Worked Solution

Degrees warmer

= −2-2 −(−4)- (-4)

= −2-2 + 4

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At sunrise the temperature is $-4$°C. At 11pm the temperature is $-2$°C. Which one of these calculations can be used to work out how many degrees warmer it is at 11 pm than at sunrise?
workedSolution
sm_nogap Degrees warmer >>= $-2$ $- (-4)$ >>= {{{correctAnswer}}}
correctAnswer
$-2$ + 4

Answers

Is Correct?Answer
x

−2-2 − 4

x

22 + 4

✓

−2-2 + 4

x

4 ÷\div 2

Variant 4

DifficultyLevel

520

Question

At sunrise the temperature is −8-8°C.

At sunset the temperature is −4-4°C.

Which one of these calculations can be used to work out how many degrees warmer it is at sunset than at sunrise?

Worked Solution

Degrees warmer

= −4-4 −(−8)- (-8)

= −4-4 + 8

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At sunrise the temperature is $-8$°C. At sunset the temperature is $-4$°C. Which one of these calculations can be used to work out how many degrees warmer it is at sunset than at sunrise?
workedSolution
sm_nogap Degrees warmer >>= $-4$ $- (-8)$ >>= {{{correctAnswer}}}
correctAnswer
$-4$ + 8

Answers

Is Correct?Answer
✓

−4-4 + 8

x

8 + 4

x

88 ÷\div 4

x

−4-4 − 8- \ 8

Variant 5

DifficultyLevel

519

Question

At midday the temperature is 1010°C.

At sunset the temperature is −6-6°C.

Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunset?

Worked Solution

Degrees warmer

= 1010 −(−6)- (-6)

= 10 + 6

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
At midday the temperature is $10$°C. At sunset the temperature is $-6$°C. Which one of these calculations can be used to work out how many degrees warmer it is at midday than at sunset?
workedSolution
sm_nogap Degrees warmer >>= $10$ $- (-6)$ >>= {{{correctAnswer}}}
correctAnswer
10 + 6

Answers

Is Correct?Answer
x

1010 − 6- \ 6

x

1010 ÷\div 6

✓

10 + 6

x

−10-10 − 6- \ 6

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