Multi-digit multiplication

Question 1

For 24 × 19, the area model has four parts: 20 × 10 = 200, 20 × 9 = ?, 4 × 10 = 40, 4 × 9 = 36. What is the missing part?

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Question 2

Use long multiplication: 67 × 73

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Question 3

Mei worked out 135 × 20 and got 270. Mei forgot that the second row is 135 × 20, not 135 × 2. What is the correct answer?

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Question 4

26 × 25 = ?

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Question 5

33 × 8 = ?

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Question 6

Luis's bakery makes 3192 rolls a day. How many rolls does it make in 2 days?

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Question 7

A stadium has 4151 seats. It is full for 24 matches. How many tickets is that altogether?

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Question 8

Use an area model to work out 34 × 15.

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Question 9

183 × 5 = ?

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Question 10

354 × 23 = ?

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Question 11

2114 × 85 = ?

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Question 12

A farm packs 555 boxes of strawberries with 32 strawberries in each box. How many strawberries is that?

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Question 13

For 32 × 16, the area model has four parts: 30 × 10 = 300, 30 × 6 = ?, 2 × 10 = 20, 2 × 6 = 12. What is the missing part?

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Question 14

Use long multiplication: 65 × 34

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Question 15

Maya worked out 470 × 49 and got 6110. Maya forgot that the second row is 470 × 40, not 470 × 4. What is the correct answer?

Answer 

Question 16

49 × 17 = ?

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