Difficult Multiplication Problems

4 x 4

• 44

• 8

• 16

• 0

Which choice has an estimated product of 2,000?

• 108 x 2

• 301 x 77

• 203 x 12

• 405 x 45

What partial product is missing from the multiplication problem?

24 x 59

9 x 4

9 x 20

50 x 4

________

• 5 x 4

• 50 x 4

• 5 x 2

• 50 x 20

TJ is drawing an area model to find 44 x 14. What should he write in the shaded rectangle?

• 40 x 4 = 160

• 4 x 10 = 40

• 14 x 4 = 56

• 4 x 4 = 16

Tom is solving 75 x 9. First he multiplied 75 x 10 and got 750. What does he still need to do to get the final result?

• Add a group of 9

• Subtract a group of 10

• Add a group of 75

• Subtract a group of 75

Chandler is finding partial products to solve 82 x 42. Here is what he has done so far: What should Chandler do next?

• Multiply 40 x 80

• Multiply 42 x 80

• Add 4 + 160 + 80

• Multiply 2 x 80

Farmer Tyler planted 638 corn stocks in a field. If each corn stock produces 6 ears of corn, how many ears of corn will he have?

Which is correct?

• 7 x 47 = (7 + 40 + 7)

• 7 x 47 = (7 x 40) + (7 x 7)

• 7 x 47 = 7 x 47 x 7

• 7 x 47 = (7 +7) x (7 + 40)

Kevin made 11 crates of green juice. Each crate holds 9 bottles. How many bottles of green juice did Kevin make?

• 11

• 90

• 99

• 81