Addition/Subtraction
932-611
321
4 x h = 20
5
4 x 5 = 20
The identity property tells us that...
Any number times one will stay the same
5 x 4 =
20
Alison had 4 packs of gumballs. Each pack had 3 gumballs inside. How many gumballs did she have in all?
Alison had 12 gumballs.
624 + 156
780
32 / g = 8
4
32 / 4 = 8
The zero property tells us that...
Any number multiplied by 0 will equal 0
21 / 7 =
3
Nicole had 20 m&ms. She is splitting them with 10 friends. How many m&ms will each friend get?
Each friend will get 2 m&ms.
289-56
233
542 + ___ = 942
400
542 + 400 = 942
The commutative property tells us that...
if we switch the order of the factors the answer will stay the same
8 x 2 =
16
Gabriel has gone on iReady for a total of 534 minutes this year. Zach has gone on iReady for 724 minutes. How many more minutes did Zach go on iReady for?
Zach went on for 190 more minutes.
111+459
570
b - 123 = 277
400
400-123=277
The associative property tells us that...
You can put numbers in different groups and the product will stay the same
54/9 =
6
A'nyla counted 132 rocks at recess. Leslie counted 95 more. How many rocks did Leslie count?
Leslie counted 227 rocks.
900-582
318
To find the unknown in a problem you need to...
do the opposite
The distributive property tells us...
You can split a factor up into 2 multiplication problems and you will get the same answer.
33/3=
11
Skyla had 4 donuts. Adriana had twice the amount of Skyla. Then, Adriana ate 2 donuts. How many donuts is Adriana left with?
Adriana is left with 6 donuts.