Brain power.
Totally dude.
Word it.
Reduction
Operation
1
34 + 26
60
1
877+185=
1,062
1
What is the inverse of subtraction?
Addition
1
456-195=
261
1
777 + 9 - 13 =
773
2
5150 - 1500
6650
2
455 + 336
791
2
Jules was given £700. He spent £251 at the school store. How much money did he have left? Addition or subtraction?
Subtraction
£449
2
8750 - 600 =
8
2
849-???= 498
351
3
What strategy of addition is this?
Split Strategy.
3
1721 + ???? = 1963
1963
3
The basketball team has 7,580 fans in the stands. There are 1603 fans buying tickets. How many fans will there be in all? Addition or subtraction?
Addition
9,183 fans
3
???? - 2356 = 6988
9234
3
725+256=
7111-3578=
981
3,533
4
97-89=
8
4
Identify the mistakes:
8234
+ 2892
_______
6242
They have subtracted instead of adding
4
Devon bought 3,817 bananas and 2,589 peppers. How many grocery items does he have total? Addition or Subtraction?
Addition
6,406 grocery items
4
Identify the mistake:
432
- 245
_____
213
You cannot take away 3 from 4. They did not borrow from their neighbour.
4
???? + 9056= 13,634
4578
5
92+16=
108
5
What is the sum of 6,754 and 2,846?
9,600
5
Sarah had £150. She spent £80 on a new books. Then her mom gave her £50. How much money does she have now? Addition or subtraction?
Addition AND subtraction.
£20
5
What is the sum of 4231 minus 2761?
1470
5
919-875=
8963+7412=
44
16,375