Expressions
10. 1,200 matches this expression
What is 12 x 100
9. 289 x 16
What is 4,624
2. A banana contains 105 calories. Last week, Brendan and Lea ate a total of 14 bananas. How many calories does this represent?
What is 1,470 calories
3A. At a warehouse, 127 delivery trucks were loaded with 48 packages on each truck. Estimate the total number of packages on the trucks. Write an equation to model your work.
What is 6,500; 50 x 130 = 6,500
6. There are 45 cans of mixed nuts. Each can has 338 nuts. On page 122, is Mary's work to find the total number of nuts. What is the missing number?
What is 5
10. 120 matches this expression
What is 12 x 10^1
1. 178 x 12
What is 2,136
5A. The latest mystery novel costs $24. The table in your book (pg. 121) shows the sales of this novel by a bookstore. What was the dollar amount of sales of the mystery novel on Saturday? Write an equation to model your work.
What is $3,768; 157 x 24 = 3,768
3B. At a warehouse, 127 delivery trucks were loaded with 48 packages on each truck. Estimate the total number of packages on the trucks. Did you calculate an overestimate or an underestimate? Explain how you know.
What is overestimate; 50 > 48 and 130 > 127, so 50 x 130 > 48 x 127
Find the missing number:
212 x __4 = 15,688
What is 7
10. 12 matches this expression
12. 142 x 11
What is 1,562
5B. The latest mystery novel costs $24. The table in your book (pg. 121) shows the sales of this novel by a bookstore. What was the dollar amount of sales of the mystery novel on Friday? Write an equation to model your work.
What is $2,472; 103 x 24 = 2,472
Estimate 7 x 396
What is 2,800; 7 x 400
Find the missing number:
__14 x 37 = 22,718
What is 6
10. 12,000 matches this expression
What is 12 x 10^3
893 x 7
What is 6,251
7. There are 36 large fish tanks at the zoo. Each tank holds 205 gallons of water. How many gallons of water would it take to fill all of the tanks?
What is 7,380 gallons
Estimate 17 x 63
What is 1,200; 20 x 60
Find the missing number:
339 x 50 = 16, __50
What is 9
11. Select all the expressions that are equal to 3 x 10^3
What is 3x 1,000; 30 x 100; 300 x 10
1,278 x 4
What is 5,112
8. Kai ordered 1,012 baseball cards. Sharon ordered 5 times as many cards as Kai. Write and solve an equation to find b, the number of baseball cards Sharon ordered. Look at model on page 122.
What is 1,012 x 5 = b; b = 5,060
Estimate 91 x 51
What is 4,500; 90 x 50
Find the missing number:
240 x 22 = 5,2__0
What is 8