Vocabulary
Powers of 10
2 x 2
3 x 2
Challenge
100
Give an example of a multiplication equation

Answers vary

100

102

100

100

11 x 30

330

100

517 x 82 =

42,394

100

Adams Elementary School wants to plant trees along a 250 foot fence. If the trees are 10 feet apart, how many trees do they need to plant? There is a tree at both ends of the fence.

10 x 25 = 250 

25 + 1 = 26

200

The answer to a multiplication problem

product

200

10 x 10 x 10 x 10

104

200

61 x 84

5,124

200

942 x 17

16,014

200

Fill in the blanks with + - ÷  x and/or ( ) to make the equations work

         a)   5  2  6  3 = 20

         b)   2  3  3  3 = 15

a) 5 + 2 x 6 + 3 = 20
b) 2 x 3 - 3 x 3 = 15

300

The two numbers that multiply together to create a product.

factor(s)

300

100,000 written with an exponent

106

300

30 x 67

2,010

300

642 x 50

32,100

300

Lisa lives on the 9th floor of a building. There are 36 stairs between two connecting floors. How many stairs does Lisa have to climb to reach the 9th floor, starting from the first floor?

8 x 36 = 288 stairs

400

Name one phrase that you would see in a word problem that would tell you to multiply to solve.

Answers vary

400

3 x 105

300,000

400

90 x 64

5,760

400

748 x 50

37,400

400

Annie, Betty and Corina went to the farm to pick apples. Annie picked one 3rd of what Betty picked. Betty picked 4 times as many as Corina did. If Corina picked 27 apples, how many apples did Annie and Betty each pick?

Betty picked = 27 x 4 = 108 apples;

Annie picked = 108 ÷ 3 = 36 apples

500

Name one phrase that you would see in a word problem that would tell you to multiply to solve.

Answers vary
500

(4 x 103) + (5 x 10) 

4,050

500

Mrs. Hilt bought 15 books for $11 each. She later sold all of the books for $25 each. How much money did she make from reselling the books? 

$210

500

A very large family is traveling to Florida for their family reunion. There are 26 members in the family and each member will need to pay $421 for a plane ticket to get there. How much will the family spend? 

$10,946

500

Josh is 5 feet 1 inch tall. He grows 2 inches a year in the next 4 years.  How tall will Josh be in 4 years? Answer in inches.

69 inches

5 x 12 + 1 + 2 x 4 = 69 inches