Rounding whole numbers and decimals
Adding Decimals
Subtracting Decimals
estimate
Problem Solving
100
34, 739 rounded to the nearest thousand.
What is 35,000?
100
6.9 + 2.8
What is 9.7?
100
7.8 - 4.9
What is 2.9?
100
49 + 22
What is 70?
100
Theater tickets for children cost $5. Adult tickets cost $3 more. If 2 adults and 2 children buy tickets, what is the total cost?
What is $26?
200
677 rounded to the nearest hundred
What is 700?
200
658.2 + 0
What is 658.2?
200
$20.60 - $14.35
What is $6.25?
200
179 + 277
What is 500?
200
Anna bought a drink for 2.49 and a sandwich for 1.55. She gave the clerk 5.05. How much change will she get back?
What is $1.01?
300
0.472 rounded to the nearest tenth
What is 0.5?
300
$44.00 + $91.46
What is 135.46?
300
15.03 - 4.121
What is 10.909?
300
64 + 48
What is 110?
300
Shirts at the store cost $24.92. Explain how to estimate the cost of 4 shirts. What is the estimate.
Round to $25. Multiply 25 x 4 = $100
400
75.8 rounded to the nearest one
What is 76?
400
8.02 + 9.07
What is 17.09?
400
7.21 - 6.1
What is 1.11?
400
149 - 51
What is 100?
400
Ned has a $5 bill and a $10 bill. He spends 2.50 on a drink and $2 on a muffin. How much money does he have left?
What is $10.50?
500
4.26 to the nearest ones place AND the nearest tenths place
What is 4? What is 4.3?
500
At a flower shop, Terri sees that roses are $3 each. Carnations are $4 for 3 flowers, and tulips are $4 for 4 flowers. She buys 3 roses and 3 carnations. She has $20. How much money does she get back?
What is $7 back?
500
Sue subtracted 2.9 from 20.9 and got 1.8. Is her answer reasonable? Explain.
No. I know that 20 - 2 is 18, and 1.8 is not even close to 18.
500
77.11 - 8.18
What is 70?
500
James plants 15 roses, 12 geraniums, and 6 daisies. His dog digs up 4 roses and 2 daisies. how many total plants are left planted?
What is 27 flowers left?