The science club raised $98.75 to buy bird feeders and
birdseed to place outside the classroom. Club members bought one bag of bird seed for $2.75. Each bird feeder costs $12. How many bird feeders can the club buy?
What is 8 bird feeders?
100
3.6 + 0.14
What is 3.74?
100
3.2 - 2.1
What is 1.1?
100
What property of addition is this?
34 + 27 + 0
What is identity?
200
Round this number to the nearest dollar
$15.34
What is $15
200
Last week, the Clearwater CD company had sales of
$1,158.79. This week, the company had sales of
$6,997.05. Which is the best estimate of the company’s total sales for both weeks?
What is $8,000?
200
32 + 2.9
What is 34.9?
200
35 - 15.32
What is 19.68?
200
What property of addition is this?
35,000 + 27 = 27 + 35,000
What is commutative?
300
Round to the nearest tens place
27.12
What is 30?
300
Adrienne’s lunch cost $13.16. She hands the cashier $20.
About how much change does Adrienne receive?
What is $7.
300
5.6 + 12.34
What is 17.94?
300
78.13 - 26.72
What is 51.41?
300
What property of addition is this?
(34+ 26) + 0
What is identity?
400
Round to the nearest tenths place
4.589
What is 4.6?
400
The coach recorded how fast his runners ran 1 mile.
Eric ran a mile in 10.84 minutes, Kay ran a mile in
12.79 minutes, and Rosie ran a mile in 9.58 minutes. How many more minutes did Eric run than Rosie?
What is 1.26 minutes more?
400
1,367.2 + 34.78
What is 1,401.98?
400
513.2 - 23.45
What is 29.75?
400
What property of addition is this?
34 + 16 + 26 = (34 +16) + 26
What is associative?
500
Round to the nearest whole number
29.713
What is 30?
500
Bailey spent $12.25 at the arcade on Saturday and $9.50
at the arcade on Sunday. How much money did Bailey spend altogether?
What is $21.75?
500
23.4 + 3.765
What is 27.165?
500
34 - 0.25
What is 33.75?
500
What PROPERTIES of addition are being used here?
56 + 31 + 54 = (50 + 50) + (6 + 4) + 31