Algebra, NAPX-K2-18
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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
∴ Laura started with 7.
Question Type
Multiple Choice (One Answer)
Variables
| Variable name | Variable 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 | |
Answers
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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:
⇒ If no balls were lost
8 + 9 = 17
⇒ If no balls were found
17 − 5 = 12
∴ Sevie started with 12.
Question Type
Multiple Choice (One Answer)
Variables
| Variable name | Variable 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 | |
Answers