Adding Decimals
Adding Decimals
1.04 + 0.621
1.661
Subtracting Decimals
0.22 - 0.11
0.11
Estimate the sum
5.3 + 2.1
5 + 2 = 7
0.328 __ 0.456
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Sarah bought a pencil for $0.75 and an eraser for $0.50. How much did she spend in total?
$1.25
Adding Decimals
1.3 + 2.8
4.1
Subtracting Fractions
2.3 - 0.5
1.8
Estimate the difference
32.8 - 17.2
30 - 20 = 10
1.235 __ 1.325
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A recipe calls for 2.5 cups of flour. If Marcus only has 1.8 cups, does he have enough flour? If not, how much more does he need?
0.7 cups
Adding Decimals
0.459 + 0.132
0.591
Subtracting Fractions
0.781 - 0.235
0.546
Round these decimals to the nearest whole number and then find the sum
3.4 + 6.93 + 9.01
19
23.1045 ___ 23.104
>
A bookstore is having a sale. A hardcover book originally costs $18.95, but it's on sale for $6.50 off. If Maya buys 3 of these books at the sale price, how much will she pay in total?
$37.35
Adding Decimals
1.38 + 0.99 + 0.0074
2.3774
Subtracting Decimals
6 - 4.68
1.32
Estimate the sum
$3.25 + $0.82
$3 + $1 = $4
64.04 __ 64.040
A bakery sells muffins for $2.75 each and cookies for $1.50 each. If a customer buys 1 muffin and 3 cookies, what is the total cost? Use any strategy you'd like.
$7.25
Adding Decimals
If Simon has $3.86 in his pocket and finds $2.21 in his classroom at the end of the day, how much money does he have in total?
$6.07
Subtracting Decimals
If Ian has $10.25 to buy lunch today and Myranda offers to sell him an apple for $1.99, how much money would he have left after buying the apple?
$8.26
The cost of one
DVD is $16.98, and the cost of another
DVD is $9.29. Rokeyia estimated the cost of
the two DVDs to be about $27. Is his
estimate higher or lower than the actual
cost?
Higher- overestimate
56,904.807 __ 513,904.807
>
Kausar buys a game for $7.89 and some batteries for $5.49. He pays with a $20 bill. Which is the best estimate of how much change he should get?
A $5.00
B $7.00
C $13.00
D $17.00
B $7.00