Standard and ExpandedForm
Word Form
Rounding and Rounding to Estimate
Front End Estimation
Compatible Numbers Estimation
100
Write the 100,000 + 30,000 + 2,000 + 500 + 80 + 4 in standard form.
What is 132,594?
100
Write 43,897 in word form.
What is forty three thousand, eight hundred ninety-seven?
100
Round 75,634 to the nearest thousands place.
What is 76,000?
100
Use front end estimation to estimate the sum. 65,867 + 39,213 _______
What is 65,867 60,000 + 39,213 +30,000 ________ _______ 90,000
100
Use compatible numbers to estimate the sum. 65,721 +24,533 _______
What is 65,721 70,000 66,000 + 24,533 + 20,000 or + 25,000 _______ _______ ________ 90,000 91,000
200
Write 983,612 in expanded form.
What is 900,000 + 80,000 + 3,000 + 600 + 10 + 2?
200
Write one hundred sixty-two thousand, nine hundred twenty-five in standard form.
What is 162,925?
200
Round 165,753 to the nearest hundreds place.
What is 165,800?
200
Use front end estimation to estimate the difference. 935,768 - 284,856 _______
What is 935,768 900,000 -284,856 - 200,000 ________ ________ 700,000
200
Use compatible numbers to estimate the sum. 732,199 + 188,204 _________
What is 732,199 700,000 730,000 + 188,204 + 200,000 or + 190,000 ________ ________ __________ 900,000 920,000
300
Write 8,000,000 + 900,000 + 20,000 + 7,000 + 300 + 4 in standard form.
What is 8,927,304?
300
Write 1,096,435 in word form.
What is one million, ninety-six thousand, four hundred thirty-five?
300
Round 34,576,192 to the nearest hundred thousands place.
What is 34,600,000?
300
Use front end estimation to estimate the sum. 246,578 + 199,777 _________
What is 246,578 200,000 +199,777 + 100,000 ________ _________ 300,000
300
Use compatible numbers to estimate the sum. 435 213 +356 _____
What is 435 400 600 213 200 + 356 400 +400 _____ ____ ____ 1,000
400
Write 4,876,092 in expanded form.
What is 4,000,000 + 800,000 + 70,000 + 6,000 + 90 + 2?
400
Write 43,876,459 in word form.
What is forty-three million, eight hundred seventy-six thousand, four hundred fifty-nine?
400
Round to estimate the sum. 56,723 + 32,541 ________
What is 56,723 60,000 or 58,000 +32,541 30,000 +33,000 _______ ______ ________ 90,000 91,000
400
Use front end estimation to estimate the difference. 812,039 - 796,472 ________
What is 812,039 800,000 - 796,472 - 700,000 ________ ________ 100,000
400
Use compatible numbers to estimate the sum. 766 288 +533 _____
What is 766 800 800 288 300 + 533 + 500 + 800 _____ ____ ____ 1,600
500
Write 32,670,509 in expanded form.
What is 30,000,000 + 2,000,000 + 600,000 + 70,000 + 500 + 9?
500
Write ninety six million, seven hundred six thousand, fifty-nine in standard form.
What is 96,706,059?
500
Round to estimate the difference 645,789 - 264,869 _________
What is 645,789 600,000 or 650,000 - 264,869 - 300,000 - 260,000 ________ ________ ________ 300,000 390,000
500
Use front end estimation to estimate the sum. 45,902,631 +46,028,574 ___________
What is 45,902,631 40,000,000 + 46,028,574 +40,000,000 ___________ __________ 80,000,000
500
Use compatible numbers to estimate the sum. 9,305 4,955 + 1,268 _________
What is 9,305 9,000 9,000 4,955 5,000 + 1,268 +1,000 + 6,000 _______ ______ _______ 15,000
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