Algebra, NAPX-K2-18

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

515

Question

Laura plays golf.

During one round, she found 13 golf balls and lost 6.

At the end of the round, Laura had a total of 14 golf balls.



How many golf balls did Laura start with?

Worked Solution

Working backwards:

⇒ Balls if none lost

14 + 6 = 20


⇒ Balls if none found

20 13 = 7


\therefore Laura started with 7.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Laura plays golf. During one round, she found 13 golf balls and lost 6. At the end of the round, Laura had a total of 14 golf balls.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2019/01/NAPX-K2-18v1.svg 360 indent vpad
How many golf balls did Laura start with?
workedSolution
Working backwards: ⇒ Balls if none lost >>14 + 6 = 20
⇒ Balls if none found >>20 $−$ 13 = 7
$\therefore$ Laura started with {{{correctAnswer}}}.
correctAnswer
7

Answers

Is Correct?Answer
x

5

7

x

9

x

21


Variant 1

DifficultyLevel

515

Question

Sevie plays golf.

During one round, he found 5 golf balls and lost 9.

At the end of the round, Sevie had a total of 8 golf balls.



How many golf balls did Sevie start with?

Worked Solution

Working backwards:

\Rightarrow If no balls were lost

8 + 9 = 17


\Rightarrow If no balls were found

17 − 5 = 12


\therefore Sevie started with 12.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Sevie plays golf. During one round, he found 5 golf balls and lost 9. At the end of the round, Sevie had a total of 8 golf balls.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2019/01/NAPX-K2-18v2.svg 350 indent3 vpad
How many golf balls did Sevie start with?
workedSolution
Working backwards: $\Rightarrow$ If no balls were lost >>8 + 9 = 17
$\Rightarrow$ If no balls were found >>17 − 5 = 12
$\therefore$ Sevie started with {{{correctAnswer}}}.
correctAnswer
12

Answers

Is Correct?Answer
x

4

x

6

x

8

12

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