Multiplying 2-digit numbers by multiples of 10
30x18=
540
40x30=
1200
Estimate each product.
38x13
400
24x22=
500
Mario and his family went to the county fair. They bought 2 adult passes and 3 children's passes. What was the total cost for the family?
The total for Mario's family was $16.
40x22=
880
50x40=
2,000
Estimate each product.
44x22=
800
24x34=
Keisha sold 8 ribbons and 6 pins at a craft fair. She sold the ribbons for $3 each and the pins for $2 each. How much money did Keisha earn?
Keisha made $36.
60x21=
1,260
70x60=
4,200
Estimate each product.
82x54=
4,000
67x18=
1,400
A bus has 12 rows with 1 seat in each row on one side with 12 rows with 2 seats in each row on the other side. How many seats does the bus have in all?
36
The American bison is the heaviest land mammal in North America. Bison live in groups of up to 20. How many bison could there be in 12 groups?
240 bison
70x40=
2800
The school store has 25 packages of erasers. There are 12 erasers in each package. About how many erasers does the school store have for sale?
About 250 erasers
52x42=
2,000
Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?
24 pieces
In the first 3 months of the year, the electronics store sold 1,446 cameras. They sold 486 cameras in Janurary and 385 cameras in February. How many cameras did they see in March?
575 cameras
The world's fastest drummer can hit the drum 20 times in one second. How many times can the drummer hit the drum in 30 seconds?
600 times
Alligators lay between 20 and 50 eggs in nest. A park ranger in Everglades National Park counted the number of eggs in 28 nests. On average, there were 40 eggs in each nest. About how many eggs did he count?
1,200
78x21=
1,600
Abby buys 15 sunflower plants and 12 petunia plants to plant in her garden. She plans to plant 3 flowers in each row. How many rows of flowers will Abby plant?
9 rows of flowers