Common Core 4.NBT.B.5 worksheet

Question 1

Which is the best estimate for 69 × 52?

• A. 350
• B. 3500
• C. 2400
• D. 35 000

Question 2

52 × 4 = ?

Answer 

Question 3

A school orders 5 boxes of paper. Each box has 1809 sheets. How many sheets is that?

Answer 

Question 4

There are 9 tanks with 28 fish in each. How many fish are there altogether?

Answer 

Question 5

1448 × 5 = ?

Answer 

Question 6

136 × 9 = ?

Answer 

Question 7

Use long multiplication: 23 × 79

Answer 

Question 8

23 × 13 = ?

Answer 

Question 9

Sam did 390 × 7 in columns. What should the answer be?

Answer 

Question 10

Use an area model to work out 36 × 26.

Answer 

Question 11

Hana's bakery makes 2894 rolls a day. How many rolls does it make in 3 days?

Answer 

Question 12

For 14 × 41, the area model has four parts: 10 × 40 = 400, 10 × 1 = 10, 4 × 40 = ?, 4 × 1 = 4. What is the missing part?

Answer 

Question 13

Nia worked out 47 × 5 as 40 × 5 + 7 = 207. What mistake was made, and what is the right answer?

Answer 

Question 14

Diego's calculator shows 717 × 6 = 4302. Use an estimate: is that answer reasonable?

• A. Yes, it is close to the estimate
• B. No, it is far from the estimate

Question 15

315 × 3 = ?

Answer 

Question 16

42 × 5 = ?

Answer