Vocabulary
What is a number close to the exact number?
Bailey has a score of 2,625 on the first level of her video game. On the second level, her score is 3,625. Complete the number sentence to show how much Bailey's score changed from level 1 to level 2.
2,625 + ? = 3,625
1,000
Estimate. Round each addend to its greatest place value.
37 + 14 =
50
42 + 29 =
84
Estimate. Round each addend to the indicated place value.
31 + 10 =; tens
40
What are symbols which show grouping?
The ice cream shop is trying to decide which flavor is most popular. This week they sold 78 strawberry scoops, 87 chocolate scoops, and 47 vanilla scoops. Which flavor is the most popular?
Chocolate
Estimate. Round each addend to its greatest place value.
12 + 18 =
30
328 + 253 =
581
What numbers is 100 less than 670?
570
What states that the sum of any number and zero is the number?
Identity Property of Addition
Gabby walked her dog for 52 minutes on Thursday, 46 minutes on Saturday, and 36 minutes on Sunday. About how many minutes did Gabby walk her dog?
140 minutes
Estimate. Round each addend to its greatest place value.
388 + 311 =
700
598 + 256 =
854
4,824 + 1,509 =
6,333
What states that the order in which numbers are added does not change the sum?
Commutative Property of Addition
Zoey has $2,301 in her bank account on Monday. On Tuesday, $5,194 is added to her account. Is it reasonable to say that there is now about $6,000 in her account?
No, there is $7,495 in her account.
Estimate. Round each addend to its greatest place value.
34 + 7 =
40
3,425 + 3,814 =
7,239
1,064 + ? = 1,164
100
What states that the way addends are grouped does not change the sum?
Associative Property of Addition
Kaleb earns $100 a month. In August, Kaleb managed to save $73 of his $100. In September he save $15. How much money did he save over the two months?
$88.00
Estimate. Round to the indicated place value.
182 + 11 =; tens
190
7,127 + 893 =
8,020
DOUBLE JEOPARDY!!!!!
Axtynn takes riding lessons at a stable with 2 horses. Each horse needs a saddle, 2 feeding bags, and 4 horseshoes. How many items are needed for all of the horses?