Powers of 10
24 x 104
240000
Give the best estimate of 17 X 63
20 X 60=1200
343 X 5=?
1715
Alexandria has a collection of 34 dolls. A toy store has 15 times as many dolls as Alexandria. How many dolls does the toy store have? Write and equation and solve.
34 X 15=D
510 Dolls
Round this decimal to the nearest tenth:
85.639
85.6
6421 X 102
642100
Give the best estimate of 8 X 396
10 X 400= 4000
897 X 7=?
The store received a shipment of 37 TVs valued at $625 each. What is the total cost of the TVs? Write and equation and solve.
37 X 625=T
$23,125
Round this decimal to the nearest hundredth:
25.1489
25.15
How many zeros are in the product of 405 x 103
4
Give the best estimate of 91 X 51
90 X 50=4500
34 X 52 =?
1768
127 delivery trucks were loaded with 48 packages each. How many packages were there in total? Write an equation and solve.
127 X 48=P
6096 packages
Alex ran 5.62 miles on Monday and 4.85 miles on Wednesday. How much farther did he run on Monday than Wednesday?
0.77 miles
39 x 100
1
Give the best estimate of 45 X 806
50 X 800= 40000
89 X 27=?
2403
A bookstore sold 96 books on Saturday and 82 on Sunday. If each book cost 18 dollars, how much money did they make on both days? Write 2 equations and solve.
96+82=B
178 X 18= P
$3,204
Jasmine is baking and needs 3.25 cups of sugar and 2.75 cups of flour. How many cups of these ingredients does she need in total?
6 cups total
10000 X 458
4580000
Give the best estimate of 747 X 82
700 X 80= 56000
871 X 32=?
27872
Tricia ordered 1012 baseball cards, and Sharon ordered 5 times as much as Tricia. How many cards does Tricia have? What is the difference between the amount of cards?
Sharon has 5060 cards.
5060-1012=4048 cards
Lily had $10.00. She spent $3.25 on a book and $4.90 on a toy. How much money does she have left?
$1.85 left