Addition
347+486
833
943-679
264
What is the answer for addition?
SUM
Liam has 346 toy cars. His grandparents gave him 582 more for his birthday. How many toy cars does Liam have now?
928
734 rounded to the nearest 10 and 100
730
700
524+376
900
716-538
178
What are the two methods for adding and subtracting?
Standard Algorithm and Break Apart
There were 932 balloons at a birthday party. By the end of the day, 478 had popped or floated away.
How many balloons were left?
454
581 rounded to the nearest 10 and 100
580
600
892+659
1,551
931-486
445
What is the answer for subtraction?
Difference
A concert had 805 tickets available. Before the show started, 319 tickets were sold. How many tickets were still available?
486
425 rounded to the nearest 10 and 100
430
400
1,654+2,386
4,040
4,354-2,675
1,679
What does break apart mean? Show an example
When you break apart numbers in order to add or subtract them easier
543+289
500+40+3
200+80+9
700+120+12
832
One shelf in the school library has 719 books. Another shelf has 264 books. How many books are there on both shelves combined?
983
1,318 rounded to the nearest 10 and 100
1,320
1,300
4,897+6,357
11,254
8,124-3,518
4,606
What do you use in order to add, subtract, and round correctly?
PLACE VALUE
A school collected $453 from one class and $128 from another class for a field trip. Then they spent $239 on the bus. How much money do they have left after paying for the bus?
$342
2,653 rounded to the nearest 10 and 100
2,660
2,700