Vocabulary
The way numbers are grouped does not change the sum
Example: 1 + (2 +3) = (1+2) + 3
What is Associative Property of Addition
TENS
34.08
What is 30.
TENTHS
9.38
What is 9.4
327.1 + 625.8
What is 952.9
8.3 - 4.7 =
What is 3.6
The sum of any number plus zero equals the same number Example: 8+0= 8
What is Identity Property.
TENS
32.7
What is 30.
TENTHS
573.81
What is 573.8
What is 9.05
4.15 - 1.29 =
What is 2.86
Changing the order of the addends does not change the sum
Example: 1+8= 8+1
What is Commutative Property of Addition.
ONES
28.86
What is 29.
HUNDRETHS
66.932
What is 66.93
6.57 + 1.2 =
What is 7.77
What is 2.22
Answer to an addition problem.
What is the sum.
ONES
8.25
What is 8.
HUNDRETHS
66.933
What is 66.93
Mrs. Babich is bicycling on a trial. She bicycles for 12.6 miles and takes a break. Then she bicycles for 10.7 miles. How many miles has Mrs. Babich bikes in all?
What is 23.3 miles.
Mrs. Babich bought a sled in Amazing Savings for $10.95 and another sled in Walmart for $14.20. How much change would she receive if she started with $50.
What is $24.85
The result of subtracting one number from another.
What is difference.
What is 2 pounds.
Write two numbers that when rounded to the nearest TENTH you will get 18.3
What is 18.29 or 18.31
Mrs. Babich bought a sled in one store that costs $3 and another sled in a different store that cost $2.99. How much money did Mrs. Babich spend on buying sleds?
What is $5.99
Mrs. Babich buys 2.74 pounds of Gummy Bears and 4.05 pounds of chocolate . What is the difference between the weights of the beans that Mrs. Babich buys?
What is 1.31 pounds.