Real-World Multiplication
3.OA.A.3
Number Detectives
3.NBT.A.2
Multiplication Master
3.NBT.A.3
Rounding, Rounding, Rounding
3.NBT.A.2
100

A farmer has 3 rows of apple trees. Each row has 5 trees. How many trees does he have in total?

15 

100

Which number rounds to 400 when rounded to the nearest hundred?
A. 340
B. 350
C. 370
D. 460

C. 370

100

What is 7 x 10?

70
100

What is 645 rounded to the nearest hundred?

600

200

Lily has 4 boxes of markers. Each box has 6 markers. How many markers does she have in total?

24

200

What is 748 rounded to the nearest ten?

750

200

Find the product: 4 × 30

120

200

Which number rounds to 1,000 when rounded to the nearest hundred?
A. 930
B. 1,010
C. 1,050
D. 1,080

B. 1,010

300

A bakery packs 7 cookies in each bag. If they pack 9 bags, how many cookies are packed in total?

63

300

Which number is greater than 625?
A. 618
B. 622
C. 630
D. 599

C. 630

300

Which expression equals 5 × 60?
A. (5 × 6) × 10
B. (5 × 10) × 6
C. (5 × 2) × 30
D. (5 × 3) × 10

A. (5 x 6) x 10

300

Liam counted 7,462 pieces of confetti after a parade. What is 7,462 rounded to the nearest hundred?

7,500

400

A classroom has 5 rows of desks. There are 8 desks in each row. How many desks are in the classroom?

40

400

Round 3,452 to the nearest hundred.

3,500

400

Find the missing number: 8 × __ = 320
A. 4
B. 10
C. 20
D. 40

C. 40

400

A farmer harvested 2,875 apples. Round the total number of apples to the nearest thousand.

3,000

500

A vending machine has 6 shelves. Each shelf holds 12 drinks. How many drinks are there in total?

72

500

Samantha says that 857 rounds to 900 when rounded to the nearest hundred. Is she correct? Why or why not?

*Your team must answer the question and provide an explanation to prove your thinking.

Yes, Samantha is correct because 857 is closer to 900 than 800. A number over 50 is closer to 100 than a number less than 50. This means 857 is closer to 900 than 800. 

500

A store orders 7 boxes of pencils. Each box contains 40 pencils. How many pencils are there in total?
A. 240
B. 260
C. 280
D. 300

C. 280

500

A stadium can hold 5,487 people for a concert. About how many people is that when rounded to the nearest hundred?

5,500

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