Multiplication Mania
20 x 4 =
80
12 x 10 =
120
4 x 1,000 =
4,000
Round to the nearest TEN to estimate the product:
19 x 8 =
20 x 10 = 200
Ms. Ellis rearranged the desks in her classroom. If she put 4 desks in each row, and there were a total of 5 rows, how many desks are in her classroom?
20 desks
30 x 6 =
180
22 x 10 =
220
12 x 1,000 =
12,000
Round to the nearest TEN to estimate the product:
27 x 7 =
30 x 10 = 300
Ava was buying food at the concessions stand. She bought 3 Milky Way bars for $1 each. She also bought 6 hot dogs for $2 each. How much money did she spend in all?
She spent $15 in all.
40 x 4 =
160
33 x 10 =
330
18 x 1,000 =
18,000
Round to the nearest TEN to estimate the product:
43 x 12 =
40 x 10 = 400
Holman was organizing his Legos. If he put 100 Legos in 8 different bins, how many Legos does he have in all?
800 Legos
50 x 5 =
250
36 x 100 =
3,600
47 x 1,000 =
47,000
What is the estimated total of 114 + 230 + 612?
Round to the nearest HUNDRED.
100 + 200 + 600 = 900
Lukas is using M & Ms for a school project. He wants to put his M & Ms in groups by color. If he has 24 M & Ms of each color, and the 3 colors he has are red, green and yellow, ABOUT how many M & Ms does he have in all?
He has about 60 M & Ms in all.
Estimate: 20 x 3 = 60
60 x 6 =
360
68 x 100 =
6,800
99 x 1,000 =
99,000
What is the estimated total of 1,230 + 2,813 + 6,400?
Round to the nearest THOUSAND.
1,000 + 3,000 + 6,000 = 10,000
Anna wants to buy a new art set including paints, pastels and sketchbooks. The set costs $162. If she saves $36 in August, $27 in September, $18 in October and $52 in November, does she have enough money to buy the art set?
No, she does not have enough money because 36 + 27 + 18 + 52 = 133 and she needs $162 to buy the set.