IGCSE /Grade 7
Maths MCQ Based On Estimating sums and differences of decimals
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IGCSE Grade 7 Maths Estimating sums and differences of decimals
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Use inverse of subtraction which is addition, 98.4 + 56.9 and then Round off to nearest whole number.
Round off to nearest whole number and then add and subtract the numbers.
Round off each number to thousandths and then subtract the number.
Rounding and estimating
Rounding to a specific decimal place
Round off number to nearest whole number. Find the sum of cost of a book and a bag and then subtract it from the total cost.
Rounding each number to whole and then subtract the numbers (>5 means rounding up and <5 means rounding down).
Round each number to whole and then add the numbers.
1). Subtract the distance of kate with distance of Jenny. 2). Round off the answer to nearest tenths.
Rounding and comparing decimals
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