Subtraction
Subtract. Regroup where needed.
562 - 461 =
562 - 461 = 101
Subtract. Add to check.
743 - 558 =
? + ? =
743 - 558 = 185
185 + 558 = 743
Continue the pattern. Write -1, -10, or -100 to explain the pattern.
736, 636, 536, ?
Pattern: ?
736, 636, 536, 436
Pattern: -100
At the start of the day, a bookshop has 654 books. The shop sells 96 books that day. How many books does the shop have left?
654 - 96 = 558
Subtract. Regroup where needed.
347 - 129 =
347 - 129 = 218
Subtract. Regroup where needed.
541 - 328 =
541 - 328 = 213
Subtract.
547 - 10 =
547 - 10 = 537
Griffin has 284 stamps. 172 of the stamps are U.S. stamps. How many of Griffin's stamps are not U.S. stamps?
284 - 172 = 112
Subtract. Add to check.
207 - 116 =
? + ? =
207 - 116 = 91
116 + 91 = 207
Subtract. Regroup where needed.
438 - 70 =
438 - 70 = 368
175 - 42 =
175 - 42 = 133
Layla is reading a book that has 246 pages in all. She has read 38 pages so far. How many more pages does Layla have to read to finish the book?
246 - 38 = 208
Subtract. Regroup where needed.
407 - 221 =
407 - 221 = 186
Subtract. Regroup where needed.
946 - 577 =
946 - 577 = 369
Subtract.
329 - 100 =
329 - 100 = 229
After you regroup 1 hundred as 10 tens in a number, you have 1 hundred, 12 tens, and 5 ones. How many hundreds, tens, and ones did you start with?
1 hundred 12 tens 5 ones
? hundreds ? tens ? ones
2 hundreds 2 tens 5 ones
Subtract. Regroup where needed.
626 - 252 =
626 - 252 = 374
Subtract. Regroup where needed.
800 - 385 =
800 - 385 = 415
Regroup 1 hundred as 10 tens. Write the new number of hundreds, tens, and ones.
3 hundreds 7 ones
? hundreds ? tens ? ones
2 hundreds 10 tens 7 ones
Emilia says that 345 - 1 is less than 345 - 10. Is Emilia correct? Explain your answer.
No, 345 - 1 = 345 and 345 - 10 = 335.
344 > 335
There are 732 students at a school. There are 156 second graders at the school. How many students are not in second grade?
Part A
- Complete the model to represent the situation.
Part B
- Complete the equation to represent the situation.
? - ? = ?
Part C
- Find how many students are not in second grade.
? students are not in second grade.
Model shown on board.
732 - 156 = ?
576 students are not in second grade.