Common-Core/ Grade 8
Maths MCQ Based On Estimating to solve word problems
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Common-Core Grade 8 - 8 Estimating to solve word problems
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Use rounding method to estimate the values
Do the subtraction and round your answer to the nearest hundreds.
Set up a proportion to relate the number of cups of flour to the number of cookies. Then solve for the unknown number of cups of flour needed to make 72 cookies
Round the numbers to the nearest thousands
Calculate the number of units produced in a week, then multiply it by the number of weeks in a year.
Round the numbers of trees up to nearest hundreds.
Use the formula: original price = sale price / (1 - discount percentage).
Use a rounding method up to 10,000.
Calculate the new length and width of the garden after the expansion. Then find the area of the new garden using the formula: area = length × width.
Calculate the revenue in year 2 using the increase percentage, then calculate the revenue in year 3 using the decrease percentage. Finally, calculate the revenue in year 1
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