Number Line
What is 1A?
50
312 + 391 = ?
703
392 - 174 = ?
218
Henry is watching two movies back-to-back. The first movie was 127 minutes and the second movie was 89 minutes. How long did it take him to finish both movies?
216 minutes
What is 1B?
0
787 + 143 = ?
930
708 - 348 = ?
360
Kiki has lots of homework to do. It takes her 56 minutes to do her math homework, 47 minutes to do her reading homework, and 48 minutes to do her science homework. How long will it take Kiki to finish her homework?
151 minutes
What are 1C and 1D?
1d. 350
670 + 139 = ?
809
643 - 538 = ?
105
Crystal has 230 brand new toys. For Christmas, she donates 159 toys to the children’s hospital. She gives the rest of the toys away to the pre-school downtown. How many toys did she give to the pre-school?
151 toys
What are 2A and 2B?
2a. 10
2b. 70
555 + 636 = ?
1,191
717 - 443 = ?
274
There are 743 ants in a colony. 387 ants leave the colony to go look for food. How many ants stay in the colony?
356 ants
What are 2C and 2D?
2c. 110
2d. 130
194 + 919 = ?
1,113
808 - 345 = ?
463
In the zoo, there are 788 fish and 439 reptiles. How many more reptiles are there than fish?
349 more reptiles