Double-Digit by Single-Digit Multiplication Mastery

A farmer has 12 rows of apple trees. If each row has 7 apple trees, how many apple trees does the farmer have in total?

• 74

• 84

• 94

Answer explanation

The farmer has a total of 84 apple trees. Each row has 7 trees, so 12 rows would have 12 * 7 = 84 trees. Therefore, the correct answer is 84.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

A school ordered 56 books for its library. If each book costs 4 dollars, how much did the school spend on the books?

• $224

• $234

• $244

Answer explanation

The school spent $224 on the books because 56 books multiplied by $4 per book equals $224. Therefore, the correct answer is $224.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

A gardener plants 32 flowers in each row of a garden. If there are 5 rows, how many flowers are there in total?

• 150

• 160

• 170

Answer explanation

There are 32 flowers in each row and 5 rows in total, so the total number of flowers is 160. Therefore, the correct answer is 160.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

If a train travels 45 miles per hour, how far will it travel in 8 hours?

• 360 miles

• 370 miles

• 380 miles

Answer explanation

If a train travels at a speed of 45 miles per hour for 8 hours, it will cover a distance of 360 miles. Therefore, the correct choice is 360 miles.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.D.8

A factory produces 27 toys in an hour. How many toys will it produce in 9 hours?

• 243

• 253

• 263

Answer explanation

The factory produces 27 toys in an hour. Therefore, in 9 hours, it will produce 243 toys. This matches the correct answer choice.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

If a movie theater has 23 rows with 9 seats in each row, how many seats are there in total?

• 207

• 217

• 227

Answer explanation

There are 23 rows with 9 seats in each row, so the total number of seats is 207. This matches the correct answer choice.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

A cyclist completes 34 laps of a track every day. How many laps will the cyclist complete in 7 days?

• 238

• 248

• 258

Answer explanation

The cyclist completes 34 laps every day for 7 days, resulting in a total of 238 laps. Therefore, the correct choice is 238.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

A construction company uses 36 bricks to build one meter of wall. How many bricks will be needed to build a 4-meter long wall?

• 144

• 154

• 164

Answer explanation

To build a 4-meter long wall, the construction company will need 144 bricks. Each meter requires 36 bricks, so 4 meters will require 4 times that amount.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

If a person drinks 8 glasses of water each day, how many glasses of water will they drink in 30 days?

• 240

• 250

• 260

Answer explanation

If a person drinks 8 glasses of water each day for 30 days, they will drink a total of 240 glasses of water. Therefore, the correct answer is 240.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.C.7

CCSS.3.OA.D.8

A photographer takes 28 photos at one event. If he attends 3 events, how many photos will he take in total?

• 84

• 94

• 104

Answer explanation

The photographer takes 28 photos at each event, and he attends 3 events. Therefore, he will take a total of 84 photos (28 x 3) in total.

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7