Student Name: __________________________
Score:
Estimate the Sum
Estimate the sum by rounding each number to the nearest thousand:
6893 + 4288 _____________
9306 + 3972 _____________
1591 + 6100 _____________
5707 + 7815 _____________
8001 + 2621 _____________
4321 + 5505 _____________
6283 + 7266 _____________
1472 + 2463 _____________
3590 + 8918 _____________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Answers
6893 + 4288 11000
9306 + 3972 13000
1591 + 6100 8000
5707 + 7815 14000
8001 + 2621 11000
4321 + 5505 10000
6283 + 7266 13000
1472 + 2463 3000
3590 + 8918 13000
Free Math Worksheets @ http://www.mathworksheets4kids.com
Score:
Student Name: __________________________
Score:
Estimate the Difference
Estimate the difference by rounding each number to the nearest thousand:
7392 – 2042 ൎ __________
9589 – 7936 ൎ __________
3621 – 1038 ൎ __________
6727 – 4894 ൎ __________
5322 – 2429 ൎ __________
4929 – 4113 ൎ __________
9185 – 3323 ൎ __________
7621 – 2832 ൎ __________
2982 – 1482 ൎ __________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Score:
Estimate Division Worksheet
Estimate the division by rounding each number to the nearest ten:
Work Space
837 24 ___________________
409 11 ___________________
545 46 ___________________
963 22 ___________________
275 41 ___________________
182 18 ___________________
715 89 ___________________
774 13 ___________________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Estimating Multiplication w/Decimals
Name:
Use the decimal placement to estimate the product.
Answers
1) 9.94 × 6.6 =
A. 65.604
B. 0.656
C. 656.040
D. 6,560.400
2) 4.3 × 3.866 =
A. 0.1662
B. 16.6238
C. 1,662.3800
D. 166.2380
3) 6.3 × 1.682 =
A. 10.5966
B. 105.9660
C. 0.1060
1.
A
2.
B
3.
A
4.
D
5.
C
6.
D
7.
D
8.
C
9.
D
10.
B
11.
D
12.
B
D. 1,059.6600
4) 3.354 × 2.4 =
A. 804.9600
B. 0.0805
C. 80.4960
D. 8.0496
5) 8.65 × 0.4 =
A. 346.000
B. 34.600
C. 3.460
D. 0.035
6) 2.12 × 0.887 =
A. 18.80440
B. 0.01880
C. 188.04400
D. 1.88044
7) 4.476 × 0.9 =
A. 0.0403
B. 402.8400
C. 40.2840
D. 4.0284
8) 3.115 × 8.53 =
A. 265.70950
B. 2,657.09500
C. 26.57095
D. 0.26571
B. 198.810
C. 1,988.100
D. 19.881
B. 5.185
C. 51.850
D. 518.500
B. 0.02523
C. 25.22630
D. 2.52263
B. 0.7261
C. 72.6100
D. 7.2610
9) 4.7 × 4.23 =
A. 0.199
10) 8.5 × 0.61 =
A. 0.052
11) 3.23 × 0.781 =
A. 252.26300
12) 0.137 × 5.3 =
A. 0.0073
Math
www.CommonCoreSheets.com
1
1-10 92 83 75 67 58 50 42 33 25 17
11-12 8 0
Student Name: __________________________
Score:
Estimate the Product
Estimate the product by rounding each number to the nearest hundred:
523 x 281 ൎ ____________
972 x 378 ൎ ____________
828 x 109 ൎ ____________
184 x 631 ൎ ____________
425 x 975 ൎ ____________
389 x 434 ൎ ____________
628 x 371 ൎ ____________
888 x 482 ൎ ____________
204 x 532 ൎ ____________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Score:
Estimate the Sum
Estimate the sum by rounding each number to the nearest thousand:
6893 + 4288 _____________
9306 + 3972 _____________
1591 + 6100 _____________
5707 + 7815 _____________
8001 + 2621 _____________
4321 + 5505 _____________
6283 + 7266 _____________
1472 + 2463 _____________
3590 + 8918 _____________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Score:
Estimate the Difference
Estimate the difference by rounding each number to the nearest thousand:
7392 – 2042 ൎ __________
9589 – 7936 ൎ __________
3621 – 1038 ൎ __________
6727 – 4894 ൎ __________
5322 – 2429 ൎ __________
4929 – 4113 ൎ __________
9185 – 3323 ൎ __________
7621 – 2832 ൎ __________
2982 – 1482 ൎ __________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Answers
7392 – 2042 ൎ 5000
9589 – 7936 ൎ 2000
3621 – 1038 ൎ 3000
6727 – 4894 ൎ 2000
5322 – 2429 ൎ 3000
4929 – 4113 ൎ 1000
9185 – 3323 ൎ 6000
7621 – 2832 ൎ 5000
2982 – 1482 ൎ 2000
Free Math Worksheets @ http://www.mathworksheets4kids.com
Score:
Student Name: __________________________
Score:
Estimate Division Worksheet
Estimate the division by rounding each number to the nearest ten:
Work Space
837 24 ___________________
409 11 ___________________
545 46 ___________________
963 22 ___________________
275 41 ___________________
182 18 ___________________
715 89 ___________________
774 13 ___________________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Answers
837 24 42
409 11 41
545 46 11
963 22 48
275 41 7
182 18 9
715 89 8
774 13 77
Free Math Worksheets @ http://www.mathworksheets4kids.com
Score:
Student Name: __________________________
Score:
Estimate the Product
Estimate the product by rounding each number to the nearest hundred:
523 x 281 ൎ ____________
972 x 378 ൎ ____________
828 x 109 ൎ ____________
184 x 631 ൎ ____________
425 x 975 ൎ ____________
389 x 434 ൎ ____________
628 x 371 ൎ ____________
888 x 482 ൎ ____________
204 x 532 ൎ ____________
Free Math Worksheets @ http://www.mathworksheets4kids.com
Student Name: __________________________
Answers
523 x 281 ൎ 150000
972 x 378 ൎ 400000
828 x 109 ൎ 80000
184 x 631 ൎ 120000
425 x 975 ൎ 400000
389 x 434 ൎ 160000
628 x 371 ൎ 240000
888 x 482 ൎ 450000
204 x 532 ൎ 100000
Free Math Worksheets @ http://www.mathworksheets4kids.com
Score:
Estimating Multiplication w/Decimals
Name:
Use the decimal placement to estimate the product.
Answers
1) 9.94 × 6.6 =
A. 65.604
B. 0.656
C. 656.040
D. 6,560.400
2) 4.3 × 3.866 =
A. 0.1662
B. 16.6238
C. 1,662.3800
D. 166.2380
3) 6.3 × 1.682 =
A. 10.5966
B. 105.9660
C. 0.1060
1.
A
2.
B
3.
A
4.
D
5.
C
6.
D
7.
D
8.
C
9.
D
10.
B
11.
D
12.
B
D. 1,059.6600
4) 3.354 × 2.4 =
A. 804.9600
B. 0.0805
C. 80.4960
D. 8.0496
5) 8.65 × 0.4 =
A. 346.000
B. 34.600
C. 3.460
D. 0.035
6) 2.12 × 0.887 =
A. 18.80440
B. 0.01880
C. 188.04400
D. 1.88044
7) 4.476 × 0.9 =
A. 0.0403
B. 402.8400
C. 40.2840
D. 4.0284
8) 3.115 × 8.53 =
A. 265.70950
B. 2,657.09500
C. 26.57095
D. 0.26571
B. 198.810
C. 1,988.100
D. 19.881
B. 5.185
C. 51.850
D. 518.500
B. 0.02523
C. 25.22630
D. 2.52263
B. 0.7261
C. 72.6100
D. 7.2610
9) 4.7 × 4.23 =
A. 0.199
10) 8.5 × 0.61 =
A. 0.052
11) 3.23 × 0.781 =
A. 252.26300
12) 0.137 × 5.3 =
A. 0.0073
Math
www.CommonCoreSheets.com
1
1-10 92 83 75 67 58 50 42 33 25 17
11-12 8 0
Estimating Multiplication w/Decimals
Name:
Answer Key
Use the decimal placement to estimate the product.
Answers
1) 9.94 × 6.6 =
A. 65.604
B. 0.656
C. 656.040
D. 6,560.400
2) 4.3 × 3.866 =
A. 0.1662
B. 16.6238
C. 1,662.3800
D. 166.2380
3) 6.3 × 1.682 =
A. 10.5966
B. 105.9660
C. 0.1060
1.
A
2.
B
3.
A
4.
D
5.
C
6.
D
7.
D
8.
C
9.
D
10.
B
11.
D
12.
B
D. 1,059.6600
4) 3.354 × 2.4 =
A. 804.9600
B. 0.0805
C. 80.4960
D. 8.0496
5) 8.65 × 0.4 =
A. 346.000
B. 34.600
C. 3.460
D. 0.035
6) 2.12 × 0.887 =
A. 18.80440
B. 0.01880
C. 188.04400
D. 1.88044
7) 4.476 × 0.9 =
A. 0.0403
B. 402.8400
C. 40.2840
D. 4.0284
8) 3.115 × 8.53 =
A. 265.70950
B. 2,657.09500
C. 26.57095
D. 0.26571
B. 198.810
C. 1,988.100
D. 19.881
B. 5.185
C. 51.850
D. 518.500
B. 0.02523
C. 25.22630
D. 2.52263
B. 0.7261
C. 72.6100
D. 7.2610
9) 4.7 × 4.23 =
A. 0.199
10) 8.5 × 0.61 =
A. 0.052
11) 3.23 × 0.781 =
A. 252.26300
12) 0.137 × 5.3 =
A. 0.0073
Math
www.CommonCoreSheets.com
1
1-10 92 83 75 67 58 50 42 33 25 17
11-12 8 0
Name:
Estimating Multiplication w/Decimals
Use the decimal placement to estimate the product.
Answers
1) 9.94 × 6.6 =
A. 65.604
B. 0.656
C.
1.
D.
2.
2) 4.3 × 3.866 =
A.
B. 16.6238
C.
D. 166.2380
B.
C. 0.1060
D.
3) 6.3 × 1.682 =
A. 10.5966
3.
4.
5.
4) 3.354 × 2.4 =
A.
B.
C. 80.4960
D. 8.0496
7.
5) 8.65 × 0.4 =
A.
6.
B.
C. 3.460
D. 0.035
8.
6) 2.12 × 0.887 =
A.
9.
B.
C. 188.04400
D. 1.88044
10.
7) 4.476 × 0.9 =
A.
B.
C. 40.2840
D. 4.0284
12.
8) 3.115 × 8.53 =
A.
11.
B. 2,657.09500
C. 26.57095
D.
B.
C.
D. 19.881
B. 5.185
C.
D. 518.500
B.
C.
D. 2.52263
B. 0.7261
C.
D.
9) 4.7 × 4.23 =
A. 0.199
10) 8.5 × 0.61 =
A.
11) 3.23 × 0.781 =
A. 252.26300
12) 0.137 × 5.3 =
A. 0.0073
Math
Modified
www.CommonCoreSheets.com
1
1-10 92 83 75 67 58 50 42 33 25 17
11-12 8 0