Multiplying Three Digit by Two Digit or 4 digit by 2 digit
672 x 33
22,176
364 x 3
1,092
Trevor has 248 e-books on his
e-reader. Eli has 14 times as
many e-books as Trevor. How
many e-books does Eli have? Show all work.
3,472 e-books
A meteorite is about 5 times the distance Earth is from the Sun. Earth is 93, 000, 000 miles from the Sun. How far away is the object?
465, 000, 000
Is the equation below correct? Explain.
79 x 105 = 790, 000
A The equation is incorrect. The product should have 3 zeros.
B The equation is correct.
C The equation is incorrect. The product should have 5 zeros.
D The equation is incorrect. The product should have 2 zeros.
C
212 x 13
2,756
1,282 x 4
5,128
Nick runs a sneaker business for 17 days he made $2,342 each day. How much money did he make? Nick runs a sneaker business for 17 days he made $2,342 each day. How much money did he make?
$39,814
Nancy has 601 packages of stickers. Each package has 59 stickers. About how many stickers does she have?
600 x 60= 36,000
Select all the expressions that are equal to 7 x 103.
A) 7 x 1,000
B) 70 x 100
C) 700 x 100
D) 7 x 10,000
E) 700 x 10
A, E
904 x 12
10,848
89 x 32
2,848
Memory cards for a popular brand of digital camera sell for $16 each. The table shows the sales of these memory cards by an electronics store.
Memory Cards Sold
Saturday
132
Sunday
105
Monday
62
Tuesday
51
What was the dollar amount of sales of the memory cards on Sunday? Show all work.
105 x $16= $1,680
Estimate the product: 480 x 879
500 x 900=450,000
Write the expanded form of: 4,257
(4 x 1,000) + (2 x 100) + (5 x 10) + (7x1)
2,454 x 42
103,068
4,678 x 9
42,102
Nick, Joe, and Kevin make clothes to sell online. Nick makes tee-shirts that sell for $15. Joe sells sweatshirts that sell for $75. Kevin sells sweatpants that sell for $65. Each boy gets 24 orders. How much money will they receive in all?
A) 15 x 24=360/ 75 x 24=1,800/65x24=1,560
360 + 1,800 + 1,560=$3,720
B) 15 + 75+ 65= 155 x 24= $3,720
The West Rock School District ordered 181 cartons of math books. The books were shipped in cartons that each held 36 books.
A) Estimate to find a reasonable answer
B) Find the exact answer
a) 200 x 40= 8,000/200 x 36=7,200(or some other way I didn't think of)
b) 6,516
Martin bought a tomato for $0.55, a head of lettuce for $0.65, and a box of pasta for $5.50. He paid for it with $20.How much change will he receive?
$13.30
7,777 x 56
435,512
8,765 x 9
78,885
Carson works for Amazon. He needs to ship erasers. He can fit 94 erasers in a small box and 114 in a large box. He can ship 11 small boxes and 14 big boxes. How many total erasers is he shipping?
94 x 11=1,034
114 x 14=1,596
1,034 + 1,596=2,630
Sally estimated the cost of a field trip. There are 54 students and the trip cost $989. She estimated the trip will cost $45,000. Why is this a bad estimate? What mistake did Sally make?
She underestimated and she rounded 989 down to 900 which doesn't make sense. She should have rounded 989 up to 1,000.
A rectangle measures 82 feet by 7 feet. What is the area?
Area = length x width
82 x 7=574 feet2