4-5 & 4-6 Math Check

What are the partial products for 39 x 17?

• 210, 90, 63, 30

• 270, 90, 70, 63

• 300, 210, 90, 63

Which costs more: 17 candy bars that cost 79 cents each or 21 candy bars that cost 65 cents each? How much more?

• The 17 candy bars cost 14 cents more than the 21 candy bars.

• The 17 candy bars cost 22 cents more than the 21 candy bars.

• The 21 candy bars cost 22 cents more than the 17 candy bars.

• The 21 candy bars cost 32 cents more than the 17 candy bars.

Which partial products can be used to find 16 x 34?

• 300, 180, 40, 24

• 42, 180, 40, 300

• 300, 40, 180, 0

Which way can you use breaking apart and the Distributive property to find the product of 45 x 13?

• (12 x 3) + (12 x 5)

• (13 x 40) + (13 x 5)

• (45 x 5) + (10 x 3)

What partial product is needed to complete the problem?

• 15

• 120

• 150

Camila multiplies 13 x 45. Which of the following is NOT a partial product?

• 15

• 90

• 400

What partial product is needed to complete the problem?

• 260

• 24

• 240

Read the problem. Then, choose true or false for each statement.

Emilio wants to buy a new tablet that costs $565, including tax. He saved $15 per week for 30 weeks. Does Emilio have enough money saved to buy the tablet?

Emilio can't buy the tablet because he only saved $15.

• True

• False

Read the problem. Then, choose true or false for each statement.

Emilio wants to buy a new tablet that costs $565, including tax. He saved $15 per week for 30 weeks. Does Emilio have enough money saved to buy the tablet?

You can use the expression 15 x 30 to find the total amount of money that Emilio saved.

• True

• False

Read the problem. Then, choose true or false for each statement.

Emilio wants to buy a new tablet that costs $565, including tax. He saved $15 per week for 30 weeks. Does Emilio have enough money saved to buy the tablet?

Emilio needs to save at least $565 to buy the tablet.

• True

• False