Estimating Products: Multiplication Challenge for 4th Graders

A farmer has 4 fields. Each field has 6 rows of apple trees. How many rows of apple trees does the farmer have in total? Estimate the total number of rows and check if your answer is reasonable.

• 12

• 24

• 30

• 18

Tags

CCSS.3.OA.A.3

Sarah bought 3 packs of markers. Each pack contains 8 markers. How many markers did she buy in total? Estimate the total and check if your answer makes sense.

• 16 markers

• 20 markers

• 24 markers

• 32 markers

Tags

CCSS.3.OA.A.3

A bakery sells 5 types of cookies. If each type has 12 cookies, how many cookies are there in total? Estimate the total and verify if your estimate is close to your answer.

• 36

• 60

• 72

• 48

A school has 7 classes. Each class has 24 students. How many students are there in total? Estimate the total number of students and check if your answer is reasonable.

• 168

• 144

• 120

• 192

Tom has 9 boxes of crayons. Each box contains 10 crayons. How many crayons does Tom have altogether? Estimate the total and check if your answer is reasonable.

• 100 crayons

• 70 crayons

• 80 crayons

• 90 crayons

Tags

CCSS.1.NBT.A.1

A toy store has 6 shelves. Each shelf holds 15 toys. How many toys are there in total? Estimate the total number of toys and check if your estimate is reasonable.

• 100 toys

• 75 toys

• 90 toys

• 60 toys

Lisa read 4 books. Each book has about 150 pages. How many pages did she read in total? Estimate the total pages and check if your answer is reasonable.

• 300 pages

• 750 pages

• 450 pages

• 600 pages

Tags

CCSS.4.NBT.B.5

A gardener plants 5 rows of flowers. Each row has 9 flowers. How many flowers did the gardener plant in total? Estimate the total and check if your answer is reasonable.

• 54

• 36

• 27

• 45

Tags

CCSS.3.OA.A.3

A concert hall has 8 sections of seats. Each section has 20 seats. How many seats are there in total? Estimate the total number of seats and check if your answer is reasonable.

• 200

• 160

• 180

• 140

A factory produces 3 types of toys. If each type has 25 toys, how many toys does the factory produce in total? Estimate the total and check if your answer is reasonable.

• 75

• 60

• 100

• 50