Lisa and Josie looked at these questions. They selected an efficient strategy to calculate each answer.
What strategy might they choose for each calculation?
this will help on what to do
Subtract 12 345 from 30 004.
The sum of the numbers from 1 to 20.
The total number of chocolates in 6 boxes of 24 chocolates and 4 packets of 24 of the same chocolates.
4500 + 4700
The amount of change I should receive from $10.00 when I purchase an apple for 55 cents and a sandwich for $4.45.
The sum of 412 and 5100
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Lisa and Josie looked at these questions. They selected an efficient strategy to calculate each answer.
What strategy might they choose for each calculation?
this will help on what to do
Subtract 12 345 from 30 004.
The sum of the numbers from 1 to 20.
The total number of chocolates in 6 boxes of 24 chocolates and 4 packets of 24 of the same chocolates.
4500 + 4700
The amount of change I should receive from $10.00 when I purchase an apple for 55 cents and a sandwich for $4.45.
The sum of 412 and 5100
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