Multiplying by Powers of Ten
23 x 10,000
230,000
345
(3×100)+(4×10)+(5×1)
4.532 + 7.89
12.422
342 x 12
4,104
3.2 x 5
16.0
5.04 x 1,000
5,040
8,902
(8×1,000)+(9×100)+(0×10)+(2×1)
98.75 - 56.493
42.257
125 x 24
3,000
A movie theater charges $8.45 per ticket. If 29 people buy tickets, how much money will the movie theater make from those ticket sales?
$245.05
A bakery sells 3.5 pounds of flour in each bag. This week, the bakery sold flour to 100 customers, with each customer buying one bag. How many pounds of flour did the bakery sell in total?
350 pounds of flour
76.7
(7×10)+(6×1)+(7 × 1/10)
You have $50 to spend at the store. The first thing you buy is $19.99. The second thing you buy is $9.99. How much money did you spend in total? How much money do you have left?
$29.98 spent
$20.02 left
476 x 25
11,900
4.6 x 3.2
14.72
9.23074 x 103
9,230.74
504.375
(5×100)+(0×10)+(4×1)+(3 × 1/10)+(7 × 1/100)+(5 × 1/1000)
Tom is tracking the amount of time he spends reading each day. On Monday, he read for 3.75 hours, on Tuesday he read for 4.8 hours, and on Wednesday he read for 2.9 hours. On Thursday, he realized he had recorded 2.7 hours too much on Tuesday, so he needs to subtract that from his total. How many hours did Tom spend reading in total?
8.85 hours
Izzy records how many times she blinks per hour and found she blinked 923 times. If she blinked this same amount for 46 minutes, how many times did Izzy blink in total?
42,458 times
3.72 x 4.1
15.252
A factory produces 3.28 liters of paint every minute. If the factory operates for 1 million minutes, how many liters of paint will the factory produce in total?
3,280,000
Ms. Kurbansade is at the grocery store and her total comes out to $57.13. She wants to pay in cash and needs to know how many 10 dollar bills, 1 dollar bills, dimes, and pennies she needs to do so. Help her out by writing her total in expanded form.
(5 x 10) + (7 x 1) + (1 x 1/10) + (3 x 1/100)
In a science experiment, a student measured the weight of three objects. The first object weighed 1.56 kg, the second weighed 0.8 kg, and the third weighed 2.345 kg. After re-checking, they realized the second object’s weight was recorded incorrectly and subtracted 0.15 kg. What is the corrected total weight of the three objects?
4.555 kg
A farmer picks 654 strawberries each day. How many strawberries would the farmer have picked if he continued to do this for 79 days?
51,666 strawberries
A baker is preparing batches of cookies. Each batch requires 12.35 cups of sugar. If the baker needs to make 4.7 batches of cookies, how many cups of sugar will be needed in total?
58.045 cups