IGCSE /Grade 8
Maths MCQ Based On Estimating to solve word problems
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IGCSE Grade 8 Maths Estimating to solve word problems
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Determine the number of workdays required to complete the project by using the equation: workdays = (workers × days). Then calculate the additional workers needed based on the desired workdays.
Do the subtraction
Do the subtraction and round your answer to the nearest hundreds.
Calculate the total score of the first 30 students and the remaining students. Then determine the difference in average scores and use it to find the number of students who scored 85.
Use the rounding method up to 1000.
Use rounding method to estimate the values
Calculate the probability of drawing a red ball on the first draw, and then calculate the probability of drawing a red ball on the second draw, considering that one red ball has already been removed.
Calculate the cost for the rental period using the formula: rental cost = (daily rate × number of days). Then add the additional cost for the miles driven.
Use the formula: original price = sale price / (1 - discount percentage).
Use rounding to the nearest to 10.
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