(c) Read this multiplication table for 12:

19. There are 12 inches in one foot. How many inches are there in 3 feet? In 9 feet? In 36 feet?

20. 2 dozen eggs are how many eggs?

21. If a box of oranges holds 18 dozen oranges, it holds oranges.

22. How many days are there in 11 weeks? In 12 weeks?

23. How many quarts are there in 11 gallons? In 12 gallons?

24. How many feet are there in 12 yards?

25. How many boys are needed to form 12 football teams with 11 boys in each team?

Multiplication with Three-Figure Numbers

Multiply 358 by 214.

(a) In multiplication, the number we multiply is

called the multiplicand.

The number we multiply by is called the multiplier. What is the answer called?

When two numbers are multiplied together, either number may be used as the multiplier.

(c) On the board, multiply 79 by 68. Check your work by multiplying 68 by 79. Do you get the same product both times? If not, go over your work and find your mistake.

Multiplication with Two-Figure Numbers Ending in Cipher

(a) What is the rule for multiplying a number by 10?

67

20

1340

In the product write 0 under the 0 of the 20. Multiply 2 X 7. Write 4 under the 2 of the . 20.

Finish telling how the example is worked.

Read each product. Point off the product with a comma if necessary.