Estimate It!
Estimate the product 180 x 586
What is about 120,000
89 x 100
What is 8,900
Use an area model or partial products to solve 123 X 9
What is 1,107
Use the standard algorithm to solve 27 x 3
What is 81
Hayley's family has been saving money for a vacation. If they save $525 each month for 12 months, how much will they save? Write and solve an equation.
What is 12 x 525=s s=$6,300
Estimate the product 44 x 212
What is about 8,000
40 x 1,000
What is 40,000
Use an area model or partial products to solve 38 x 19
What is 722
Use the standard algorithm to solve 81 x 46
What is 3,726
A stadium has 7,525 seats. What is the total attendance for 5 games if each game is sold out? Write and solve an equation.
What is 7,525 x 5 =n, n=37,625 people
Estimate the product 790 x 397
What is about 320,000
103 x 374
What is 374,000
Use an area model or partial products to solve 481 x 35
What is 16,835
Use the standard algorithm to solve 222 x 75
What is 16,650
An aquarium has display tanks that each contain 175 fish. How many fish are on display in 6 tanks? Write and solve an equation.
What is 175 x 6= f, f=1,050 fish
Lance has 102 packages of Pokemon cards. Each package has 28 cards. Use rounding to the tenth place to estimate. About how many cards does Lance have?
What is 3,000 cards
376 รท 10
What is 37.6
Use an area model or partial products to solve 783 x 14
What is 10,962
Use the standard algorithm to solve 108 x 58
What is 6,264
Each elephant at the zoo eats 125 pounds of food per day. How many pounds of food will18 elephants eat? Write and solve an equation.
What is 125x18=e, e=2,250 pounds
Which does NOT show a reasonable estimate of 24 x 338
A. 6,000
B. 7,000
C. 7,500
D. 10,000
What is D. 10,000
64 x 1/100
What is 0.64
Use an area model or partial products to solve 520 x 63
What is 32,760
Use the standard algorithm to solve 869 x 46
What is 39,974
Joy travels a lot for her job. She flies 2,840 miles each week for 4 weeks. How many miles in all does she fly? Write and solve an equation.
What is 2,840x 4=m, m=11,360 miles