Lindsey had an album in which she keeps pictures. The album has 34 pages, and each page has 7 pictures. Which choice is a reasonable estimate for how many pictures are in the album?
a. 30 x 7=210
b. 40 x 7= 280
c. 50 x 5= 250
d. 60 x 4= 240
a. 30 x 7= 210
200
3 x 70 =
210
200
A speedboat holds 12 adults and 6 children. How many people in all can go on 4 speedboat rides?
72 people
200
70 x 90=
6,300
200
Show partial products and answer:
34 x 51=
4; 30; 200; 1,500 = 1,734
200
(Write extra information and solve the problem or missing information)
Niki is 3 months old and 21 inches tall. Her father Miles, who is 25 years old, is 3 times as tall as Niki. How tall is Miles?
63 inches
300
5 x 127 =
635
300
79 x 7=
553
300
Round to estimate: 57 x 49=
3,000
300
82 x 80=
6,560
300
Gwen bought 4 dozen apples at the store. The apples were equally divided into 6 bags. How many apples were in each bag?
(12 apples = 1 dozen)
8 apples
400
Ashley and 3 friends bought tickets to a musical. The cost of each ticket was $43. How much did the tickets cost in all?
$127
400
3,942 x 4 =
15,768
400
Julia worked about 18 hours last week making fruit baskets to sell as gifts. About how many minutes did she spend making fruit baskets?
1,200 minutes
400
54 x 37=
1,998
400
Rose visited 14 cities on her vacation. She bought 3 souvenirs at each city for her friends. She paid $2 to send each one. How much did she spend to send all the souvenirs to her friends?
$84
500
Estimate to find the following: 4 x 261=
1,200
500
6 x 2,716 =
16,296
500
Use a compatible number to multiply:
64 x 24=
1,200
500
46 x 22=
1,012
500
The Florida panther is known to sleep about 18 hours a day. About how many hours would a Florida panther sleep in 3 weeks?