What problem could you use to check the work for 241+145=386
386 - 145 = 241
100
Students were told to add 13, 61 and 32. Who added correctly?
Sam- 106
Derek- 1,006
Lucy- 96
Sam
100
300 students attended the football game. Some students went the concession stand first. 186 students went to the stands first. 78 students were football players. How many students went to the concession stand first?
36 students
200
623+100
723
200
586 - 272 =
314
200
What problem could you use to check your work for 562 + 127?
689 - 127 = 562
200
Students were asked to add the following numbers: 24, 34, 44, and 54. Who added the numbers correctly?
Mark- 256
Dan- 156
Erin- 146
Dan
200
Tasha read 136 pages of a book after breakfast. She read 75 pages after lunch. She read 81 pages after dinner. How many pages did she read all together?
292 pages
300
342+30
372
300
531 - 387 =
144
300
What problem can you use to check your work for 824 - 145?
679 + 145 = 824
300
The teacher puts a problem on the board: 35 + 82 + 21. Drake says add the tens first. Lauren says add the biggest numbers first. Drew says add the ones first, then the tens. Who is right?
Drew
300
Josh was required to read 385 pages during his Spring Break. He only read 237. How many more pages did he need to read to meet his requirement?
148 pages
400
884-400
484
400
800-438 =
362
400
What problem could you use to check your work for the problem 568 - 289?
279 + 289 = 568
400
The teacher asked students to add 75 + 25. Kevin added 70 + 20 + 5 + 5. Is this correct? What is the answer?
yes, 100
400
The 2nd graders at SHE were going on a fieldtrip. They had to take 3 buses. There were 150 students total. Some students got on the 1st bus. 54 students got on the 2nd bus. 48 students got on the 3rd bus. How many students got on the 1st bus?
48 students
500
641-500
141
500
6,000 - 574
5, 426
500
What problem can I use to check my work for 354 + 478?
832 - 478 = 354
500
Scott was adding 43 + 72 + 31. He got 142. Is this correct? If not, what is the correct answer?
no, 146 is the correct answer.
500
Laura read a lot over the summer. She read 212 pages in June, 186 pages in July, and 73 pages in August. How many pages did she read all together?