Estimating and Area Models with Two-Digit Multiplication

A farmer has 24 rows of apple trees, and each row has 15 trees. How many apple trees does the farmer have in total? Estimate the product first.

• 360

• 240

• 450

• 300

Tags

CCSS.4.NBT.B.5

A school is planning a field trip for 36 students. Each student needs to pay $12 for the trip. How much money will the school collect in total? Use an area model to find the product.

• 480

• 540

• 360

• 432

A bakery sells 28 boxes of cookies, and each box contains 16 cookies. How many cookies are there in total? Estimate the total number of cookies.

• 400

• 512

• 350

• 448

Tags

CCSS.4.NBT.B.5

A library has 45 shelves, and each shelf can hold 22 books. How many books can the library hold in total? Use an area model to calculate the product.

• 1020

• 990

• 880

• 750

Tags

CCSS.4.NBT.B.5

A toy store has 32 different toys, and each toy costs $25. How much will it cost to buy all the toys? Estimate the total cost first.

• $600

• $800

• $1000

• $400

Tags

CCSS.4.NBT.B.5

A gardener plants 18 rows of flowers, with 14 flowers in each row. How many flowers did the gardener plant in total? Use an area model to solve the problem.

• 300

• 224

• 252

• 180

Tags

CCSS.7.NS.A.3

A concert hall has 56 rows of seats, and each row has 18 seats. How many seats are there in total? Estimate the total number of seats first.

• 1200

• 900

• 800

• 1008

A factory produces 27 toys every hour. If the factory operates for 24 hours, how many toys will it produce? Use an area model to find the total production.

• 600

• 540

• 720

• 648

A sports team has 42 players, and each player needs 13 practice jerseys. How many practice jerseys does the team need in total? Estimate the total number of jerseys first.

• 600

• 468

• 520

• 546

A pizza shop sells 36 pizzas, and each pizza is cut into 8 slices. How many slices of pizza are there in total? Use an area model to calculate the total number of slices.

• 256

• 288

• 320

• 240