True/False
When adding and subtracting decimals, you always include the decimals.
True
26.43 + 7.19
33.62
1.23-1.11=
0.12
What property sates that you can add numbers in any order.
commutative property
Matthew went to the store and bought a sandwich for $4.70 cents. He paid with a ten dollar bill. How much money did he get back?
$5.30
When adding and subtracting decimals, you always put the longer number on top.
False
8.009 + 6.5
14.509
5.23-0.1=
5.13
The value given to a digit by its position in a number is its...
Place value
Austin and Chase went to the store together. Austin bought a video game for $32.77 and Chase bought a soccer ball for $12.45. How much did Austin and Chase spend together?
$45.22
When adding and subtracting decimals, you ignore the decimal points.
False
0.79 +0.45
1.24
27.81-5.62
22.19
What property states that the sum of any number and 0 equals the number.
Identity Property
Laila has 4 cats named Madison, Liam, Ciera, and Lorilei. Laila wants to buy each cat a new toy. The toy she wants to buy each cat costs $5.25. How much will Laila spend if she buys all 4 of her cats this toy?
$21.00
When adding and subtracting decimals you put the bigger number on top.
True
17.82 + 3.66=
21.48
8.613 -7.258
1.355
To ________________ is to form into a new or restructured group or groupings.
regroup
Sara buys two books for her friends Jessica and Robert. The book for Jessica cost $12.34 and the book for Robert cost $13.22. How much did Sara spend on books for her friends?
25.56
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put that in your answer.
False! That's for multiplying!
111.7 + 102.81=
214.51
105.65-62.33=
43.32
What property states that the way in which numbers are grouped does not change the sum or the product.
Associative Property.
Michael spends 139.74 minutes a day talking to his friend Matthew on the phone. How much time does Michael spend talking on the phone with Matthew in 2 days?
279.48 minutes