Multiply by powers of 10
How many zeros are in the product 30 × 10 to the 5th power.
6
Janet said that the standard algorithm is just a shortcut for partial products. Do you agree? Explain.
Yes. When you multiply by the ones place in standard algorithm, you're finding the first two partial products and adding them together
236 X 46
10,856
108 X 34
3,672
There are 14 theaters at the mall. Each theater has 175 seats. How many seats are there in all?
2,450 seats
85 × 100
8,500
53 X 17
901
946 X 33
31,218
410 X 44
18,040
Brad lives 12 times as far away from the ocean as Jennie. If Jennie lives 48 miles from the ocean, how many miles from the ocean does Brad live?
576 miles
10 to the third power × 38
38,000
15 X 16
240
106 X 7
742
302 X 30
9,060
A hardware store ordered 13 packs of nails from a supplier. Each pack contains 155 nails. How many nails did the store order?
2,015 nails
13 × ______ = 13,000
1,000
38 X 19
722
222 X 75
16,650
205 X 13
4,715
Martin ran 108 miles last year. Katrina ran 13 times as many miles as Martin last year. How many miles did Katrina run last year?
1,404 miles
Norman bought a 16-pound bag of charcoal for $7.89 and a 10.4-pound bag of charcoal for $5.69. What was the total weight of the two bags of charcoal?
26.4 pounds
Mr. Morris bought sketchpads for 24 of his students. Each pad contained 50 sheets. How many sheets of paper were in all the pads?
1,200 sheets
A theater can seat 540 people at one time. How many tickets are sold if the theater sells out every seat for one 30-day month?
16,200 tickets
In an auditorium, there are 104 rows with 24 seats in each row. How many seats are available?
2,496 seats
Erie shoe factory makes 245 pairs of shoes a day. Columbus shoe factory makes 34 times as many pairs of shoes a day as the Erie shoe factory. How many pairs of shoes does the Columbus shoe factory make a day?
8,330 pairs of shoes