Partial Sums
Use partial sums to break this addition equation into 100s, 10s, and 1s.
Solve and share your answer. Show your work!
345 + 534 = ?
300 + 500 = 800
40 + 30 = 70
5 + 4 = 9
Answer: 879
Use a number line to solve the following equation using partial differences.
316 - 104 = ?
212
142 + 135 + 178 = ?
455
Round to the nearest 10 and solve for the correct answer.
230 + 423 = ?
650
653
234 + 124 = ?
358
Use partial sums to break this addition equation into 100s, 10s, and 1s.
Solve and share your answer. Show your work!
123 + 765 = ?
100 + 700 = 800
20 + 60 = 80
3 + 5 = 8
Answer: 888
Use a number line to solve the following equation using partial differences.
583 - 261 = ?
322
267 + 246 + 167 = ?
680
Round to the nearest 10 and solve for the correct answer.
467 + 245 = ?
720
712
425 + 268 = ?
693
Use partial sums to break this addition equation into 100s, 10s, and 1s.
Solve and share your answer. Show your work!
384 + 427 = ?
300 + 400 = 700
80 + 20 = 100
4 + 7 = 11
Answer:811
Use a number line to solve the following equation using partial differences.
786 - 358 = ?
428
578 + 649 + 267 = ?
1,494
Round to the nearest 10 and solve for the correct answer.
256 + 853 = ?
1,110
1,109
987 + 786 = ?
1,773
Use partial sums to break this addition equation into 100s, 10s, and 1s.
Solve and share your answer. Show your work!
476 + 935 = ?
400 + 900 = 1,300
70 + 30 = 100
6 + 5 = 11
Answer: 1,411
Use a number line to solve the following equation using partial differences.
947 - 682 = ?
265
687 + 238 + 131 + 23 = ?
1,079
Round to the nearest 10 and solve for the correct answer.
946 + 897 = ?
1,850
1,843
346 + 234 + 312 = ?
892
Use partial sums to break this addition equation into 100s, 10s, and 1s.
Solve and share your answer. Show your work!
1234 + 6789 = ?
1000 + 6000 = 7000
200 + 700 = 900
30 + 80 = 110
4 + 9 = 13
Answer: 8023
Use a number line to solve the following equation using partial differences.
6584 - 3893 = ?
2,691
673 + 284 + 132 + 876 = ?
1,965
Round to the nearest 10 and solve for the correct answer.
763 + 542 + 231 = ?
1,530
1,536
984 + 234 + 546 = ?
1,764