Rounding
Estimate Sums and Differences
Estimate Products
Estimate Quotients
Word Problems
100

Round 12,022 to the hundreds place

12,000

100

Estimate the sum to the thousands place. 3,578 + 2,721

4,000 + 3,000 Sum: 7,000

100
Estimate the product to the nearest thousand. 4,876 x 5
5,000 x 5 product: 25,000
100

Estimate the quotient. 4,792 divided by 6

4,800 divided by 6 = 800 

100

Cotter has 2,120,392 pennies. Morgan has 1,203,827 pennies. Estimate the total number of pennies they have to the nearest thousand.

2,120,000 + 1,204,000 sum: 3,324,000 pennies

200

Round 423,001 to the nearest ten thousand.

420,000

200
Estimate the difference to nearest thousand. 8,345 - 4,533
8,000 - 5,000 difference: 3,000
200
Estimate the product to the nearest thousand. 8,321 x 9
8,000 x 9 product: 72,000
200

Estimate the quotient. 5,321 divided by 9

5,400 divided by 9 = 600

200

Nolan has 10,235 pages to read for homework. Abby has 321,301 read for homework. About how many more pages does Abby have to read than Nolan? Estimate to the nearest ten thousand.

320,000 - 10,000 difference: 310,000 more pages

300

Round 62,001 to the nearest ten thousand.

60,000

300
Estimate the sum to the nearest thousand. 21,873 + 75,443
22,000 + 75,000 sum: 97,000
300
Estimate the product to the nearest thousand. 7,821 x 7
8,000 x 7 product: 56,000
300

Estimate the quotient. 3,891 divided by 4

4,000 divided by 4 = 1,000 

300

Sabrina has 1,251,838 words within her book. Jenna has 1,235,983 in her book. About how many more words are in Sabrina's book? Estimate to the nearest thousand.

1,252,000 - 1,236,000 difference: 12,000 more words

400

Round 9,119,932 to the nearest hundred thousand.

9,100,000

400
Estimate the difference to the nearest thousand. 38,021 - 15,211
38,000 - 15,000 difference: 23,000
400
Estimate the product to the nearest thousand. 10,313 x 6
10,000 x 6 product: 60,000
400

Estimate the quotient. 4,520 divided by 7

 4,200 divided by 7 = 600

400

There are 8 students in the math class. Each student has read 79,312 pages through the school year. About how many pages have the students read? Estimate the product to the nearest thousand.

80,000 x 8 product: 640,000 pages

500

Round 29,983,542 to the nearest million.

30,000,000

500
Estimate the difference to the nearest thousand. 45,918 - 37,412
46,000 - 37,000 difference: 9,000
500

Estimate the product to the nearest thousand. 89,921 x 4

90,000 x 4 product: 360,000

500

Estimate the quotient. 2,987 divided by 5

3,000 divided by 5 = 600

500

There is $2,313 to spend on class parties. There are 4 classrooms that need to plan a party. About how much money does each class get to spend?

$2,400 divided by 4 = $600