IGCSE /Grade 6
Maths MCQ Based On Estimating sums and differences for word problems up to 6 digits
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IGCSE Grade 6 Maths Estimating sums and differences for word problems up to 6 digits
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To estimate the total amount of money Maria needs to raise, we can add her current contribution to her estimated expenses:
$124,999 (estimated expenses) can be estimated at $125,000.
$32,498 (John's contribution) can be estimated at $35,000
$125,000 (estimated expenses) + $32,500 (John's contribution) = $157,500
Therefore, Maria needs to raise approximately $157,500 to cover the expenses for the fundraising event.
round all the given numbers to the nearest hundred thousand and then add it
To estimate the total cost of both projects, we can round the given values to the nearest thousand and then add:
$1,548,912 (rounded to $1,549,000) + $987,654 (rounded to $988,000) = $1,549,000 + $988,000 = $2,537,000
Therefore, the estimated total cost of both projects is approximately $2,537,000.
To estimate the difference in the number of smartphones produced between the two quarters, we can round the given values to the nearest hundred thousand and then subtract:
1,245,678 (rounded to 1,200,000) - 789,512 (rounded to 800,000) = 400,000
Therefore, the estimated difference in the number of smartphones produced between the two quarters is approximately 400,000.
To estimate the total number of cookies in the jar, we can round the given values to the nearest ten thousand and then add them together:
527,843 (rounded to 530,000) + 812,576 (rounded to 810,000) ≈ 530,000 + 810,000 ≈ 1,340,000
Therefore, the estimated total number of cookies in the jar is approximately 1,340,000.
Round off both the numbers to the nearest hundred thousand and then subtract
if the digit is more than 5 then round it up
To estimate the difference in the number of Deluxe and Premium blankets sold in the first quarter, we can round the given values to the nearest ten thousand and then subtract them.
438,962 (rounded to 440,000) - 279,385 (rounded to 280,000) ≈ 440,000 - 280,000 ≈ 160,000
Therefore, the estimated difference in the number of Deluxe and Premium blankets sold in the first quarter is approximately 160,000.
round all the numbers to the nearest hundred thousand
round it to the nearest hundred thousand
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