Estimate- Under or Over?
123 x 3
120 x 3 = 360
322 x 2
644
10 x 25
250
345 x 25
8 625
Nebs is making s'mores for a campfire. Nebs bought 35 boxes of graham crackers. Each box has 20 graham crackers in each. How many total graham crackers do she have?
700 graham crackers
48 x 28 =
50 x 30 = 1,500
27 x 89
2,403
6.4 x 10^2
640
52 x 43
2,236
Ms. Harper bought new books at the bookfair. She bought 9 books! Each book had about 356 pages in each. How many pages does she have in all the books combined?
3,204 pages
67 x 21 =
70 x 20=1,400
13 x 590
7,670
0.32 x 10^3
320
1000 x 25
25,000
Yasmin put together 12 jigsaw puzzles last summer. Each puzzle had 345 pieces. How many puzzle pieces did she put together?
4,140 puzzle pieces
521 x 25
500 x 30= 15,000
544 x 52
28,288
56.7 x 10^? = 56,700
10^3
521 x 45
23,445
Mickel buys a video game system. He wants to make payments for a year to pay for it. If he makes payments of $43 every month for a year, how much does his video game system cost?
$516
1001 x 62
1,000 x 60 = 60,000
1256 x 22
27,632
8.8 x 10^0
8.8
1221 x 9
10,989
Some 5th grade students are making lemonade to sell at their fall carnival. They used 345 cases of lemons. Each case had 100 lemons in it. How many lemons did the 5th grade students use?
34,500 lemons