Story Problems
In one week, City Car Wash washes 678 cars. If the same number of cars are washed each week, how many cars does the City Car Wash wash in 5 weeks?
3,390 cars
45x8=
360
135x7
945
9753x2
19,506
Part of the calculation for finding 23×4 using the expanded algorithm is shown below.
Fill in the box to show the missing partial product.
23×4=____ +_____=
12+80=92
Jason counted 284 marbles in a bag. If each bag contains the same number of marbles, how many marbles would be in 6 bags?
1,704
27x7=
189
246x8
1,968
8642x4
34,568
Find the product using the expanded algorithm. Find the partial products and the product.
75×5=____+_____=
25+350=375
An average horse weighs 1,097 pounds. A white rhino weighs about 4 times as much as the horse. Which shows the best estimate of the weight of a rhino?
4,400 pounds
39x4=
156
192x3
576
7534x4
30,136
Find the partial products of 34× 9. Then add the partial products to find the product.
36+270=306
Fred’s brother, Paul, goes to a college that is 107 miles from their home. During one school year, Paul made 8 round trips traveling from home to college and then from college to home.
Fred’s friend, Phil, says that Fred’s brother traveled 856 miles. Fred thinks his brother traveled 1,712 miles. Who do you agree with?
Fred
The round trip distance is 107x2, or 214 miles. 214 times 8 is 1,712.
93x3=
279
864x5
4,230
4538x9
40,842
Find the partial products of 523× 9. Then add the partial products to find the product.
____+_____+_____=_____
27+180+4500=4,707
A running store is organizing a community road race with many age and distance categories. The store manager plans to give a medal to each of the three fastest runners in each of 18 different categories.
How many medals will the store manager need for the road race?
54 medals
76x8=
608
753x9
6,777
9987x6
59,922
Find the partial products of 462× 7. Then add the partial products to find the product.
____+_____+_____=_____
14+420+2800=2,982