Vocabulary
What is associative property?
a) states that the sum of any number and zero is the number
b) states that the way addends are grouped does not change the sum
c) states that the order in which numbers are added does not change the sum
b) states that the way addends are grouped does not change the sum
To the nearest ten, what is the estimated sum of 78 + 15?
100
solve.
278 + 321
599
If Jefferson studies for 37 minutes in the morning and 42 minutes in the evening, about how long will he have studied in all?
40 + 40 = 80
What is communitive property?
a) states that the sum of any number and zero is the number
b) states that the way addends are grouped does not change the sum
c) states that the order in which numbers are added does not change the sum
c) states that the order in which numbers are added does not change the sum
Estimate. Round each addend to the greatest place value.
22 + 16
40
solve.
562 + 309
871
Michael has a score of 2,625 on the first level of his video game. On the second level, his score is 3,625. How much did he score in all?
6,250
What is identity property?
a) states that the sum of any number and zero is the number
b) states that the way addends are grouped does not change the sum
c) states that the order in which numbers are added does not change the sum
a) states that the sum of any number and zero is the number
To the nearest ten, what is the estimated sum of
182 + 11?
180 + 10 = 190
3,097 + 4,519
7616
The grocery store sold 115 containers of strawberry yogurt and 209 containers of vanilla yogurt. About how many containers of yogurt did they sell all together?
100 + 200 = 300
300 containers
What doe estimate mean?
a) a number close to the exact number
b) to rename a number using place value
c) symbols which show grouping
a) a number close to the exact number
300 + 500 = 800
Solve.
1,246 + 2,225
3471
Aaron has $2,351 in his bank account on Monday. On Tuesday, $5,194 is added to his account. How much money does he have in his account?
7545
What doe regroup mean?
a) a number close to the exact number
b) to rename a number using place value
c) symbols which show grouping
b) to rename a number using place value
To the nearest hundreds, what is the estimated sum of 538 + 192?
500 + 200 = 700
Solve.
6,225 + 2,137
8362
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.