What's the property?
What property is being used?
4+5=9
5+4=9
commutative property
The ___________________ of addition states that you can change the order of the addends and still get the same sum.
choose from these words:
identity property, associative property, commutative property, regroup, parenthesis
commutative property
123+390=
513
1,256+356=
1,612
A horse weights 1,723 pounds. A smaller horse weighs 902 pounds. How much do both horses weigh together?
2,625 pounds
What property is being used?
8+0= 8
identity property
To use place value to exchange equal amounts when renaming a number is to ____________.
choose from these words:
identity property, associative property, commutative property, regroup, parenthesis
regroup
910+48=
958
1,000+899=
1,899
A golf ball has 336 dimples. How many dimples would two golf balls have altogether?
672 dimples
What property is being used?
9+7=16
7+9=16
commutative property
The ___________ of addition states that when you add zero to any number, the sum is that number.
choose from these words:
identity property, associative property, commutative property, regroup, parenthesis
Identity property
382+591=
973
2,129+1,093=
3,222
Samuel walked 1 miles before lunch and 1 mile after lunch. The length of a mile is 1,760 yards. In yards, what is the total distance Samuel walked?
3,520 yards
What property is being used?
2+(4+3)=9
(2+4)+3=9
associative property
_____________ tells you which operations to group in a number sentence.
choose from these words:
identity property, associative property, commutative property, regroup, parenthesis
parenthesis
754+111=
865
1,312+566=
1,878
There are two different mountains in the state of Washington that get record snowfall. One winter season, Mount Ranier received 1,224 inches of snow. Mount Baker received 1,140 inches of snow. What is the total snowfall of these two mountains?
2,364 inches
What property is being used?
(9+4)+6=9+(4+6)
associative property
The _____________ of addition states that the grouping of the addends does not change the sum.
choose from these words:
identity property, associative property, commutative property, regroup, parenthesis
Associative Property
888+999=
1887
2,625+3,625=
6,250
Dwight drove 792 miles from Pensacola, Florida to Key West, Florida, and then back again. How many miles did he drive altogether?
1,584 miles