Estimating
Double Digit Mult.
Mult. with multiples of 10
Word problems
Area
100
estimate 43X73
What is 2800
100
23 X 36 =
What is 828
100
21 x 30 =
What is 630
100
Mr. Taylor installed 10 dozen tiles on his kitchen floor. Each tile cost $3. How much did Mr. Taylor spend?
What is $360
100
A rectangle is 3 inches by 25 inches. What is the area of the rectangle?
What is 75 square inches.
200
Estimate 31 X 46 =
What is 1,500
200
92 X 34 =
What is 3,128
200
14 x 40=
What is 560
200
A computer store had a sale on all laptops. They sold 60 laptops during the sale. If the laptops were $1,200 each, how much did the store make on the sales of laptops?
What is $72,000
200
Mrs. Jones has a rectangle garden that is 6 feet by 72 feet. About how many square feet is Mrs. Jones' garden?
What is 420 square feet.
300
Estimate 79 X 79 =
What is 6,400
300
63 X 22 =
What is 1,386
300
30 x 24=
What is 720
300
Mrs. Kline bought 14 dozen new cups for the cafeteria. How many cups did Mrs. Kline buy?
What is 168 cups
300
The rectangle is 364 sq. in. The length is 26 inches. What is the width?
What is 14 inches.
400
Estimate 96 X 37=
What is 4,000
400
81 X 46 =
What is 3,726
400
60 x 83 =
What is 4,980
400
The museum has 36 rooms. Each room has 23 paintings. How many paintings are in the museum?
What is 828 paintings.
400
A rectangular pool is 180 square feet. The length is 12 feet. The width is .....
What is 15 feet?
500
Estimate 366 X 987
What is 400,000.
500
64 X 88 =
What is 5,632
500
400 x 52
What is 20,800
500
If 79 plane tickets were sold for $127 each, how much money did the airline make?
What is $10,033.
500
A rectangular sky scraper is 4,368 square feet. 84 feet is the height. The width is .....
What is 52 feet?