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 A problem may tell you what
happened at the end of a series of steps and ask you to find what
happened at the beginning. To solve the problem,
work backward
step by step to the beginning.
Solve each
problem using
the working backwards strategy.
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1. |
After finishing her
shopping, Chelsea wants to have $25 left. She plans to buy
sandals for $45 and a purse for $20. How much money does she
need? |
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2. |
Hannah ordered 2 suits for $175 each and a pair of shoes. The
total cost was $395. What was the cost of the shoes? |
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| 3.
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The final
cost of Bob's bicycle was $194. This included a discount of
$20.25 and tax of $12.25. What was the original price of the
bicycle without the tax and discount? |
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| 4. |
At a bake
sale Mrs. Smith sold 6 dozen cookies before lunch. After lunch,
Mrs. Smith sold another 7 dozen cookies. When it was time to
leave, they had 2 dozen cookies left. How many cookies did she
have at the start of the bake sale? |
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5. |
On Monday, Courtney deposited $15. She deposited twice as much
on Tuesday and Friday. How much money did Courtney deposit? |
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| 6. |
It snowed
twice as much in January as in December. December had 1 inch
less snowfall than March. March had 4 inches of snow. How much
snow fell in January? |
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Remember:
The
answer is found by starting with the end result and working
back to the beginning.
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