8-3 Problem-Solving Strategy

Angelo’s father is 30 years old. This is 10 years older than twice Angelo’s age. How old is Angelo?

• 10

• 20

• 30

• 15

Ellen needs to visit 3 Web sites for a homework assignment. In how many ways can she visit the Web sites?

• 3

• 4

• 5

• 6

There are five people at a party, and each person has shaken hands with every other person. How many handshakes took place among the five people?

• 10

• 15

• 5

• 20

Can 12 toothpicks be used to form 4 squares that are the same size and same shape?

• Yes

• No

Berta, Maya, and Zach are in different checkout lines at a store. Berta has 3 more people in front of her than are in front of Maya. There are 2 times as many people in front of Zach as there are in front of Maya. The total number of people in front of the girls is 11. How many people are in front of Berta?

• 2

• 4

• 5

• 8

Berta, Maya, and Zach are in different checkout lines at a store. Berta has 3 more people in front of her than are in front of Maya. There are 2 times as many people in front of Zach as there are in front of Maya. The total number of people in front of the girls is 11. How many people are in front of Maya?

• 2

• 4

• 5

• 8

Berta, Maya, and Zach are in different checkout lines at a store. Berta has 3 more people in front of her than are in front of Maya. There are 2 times as many people in front of Zach as there are in front of Maya. The total number of people in front of the girls is 11. How many people are in front of Zach?

• 2

• 4

• 5

• 8

Write the multiplication for sentence the area model:

( write in the form length x width, for example 3 x 4 )

Write the multiplication for sentence the area model:

( write in the form length x width, for example 3 x 4 )

14 × 18 =

• 10 x 10 + 10 x 4 + 10 x 8 + 4 x 8

• 10 x (10 + 4) + 10 x 8 + 4 x 8

• 10 x 10 + 10 x 4 + 10 x ( 8 + 4 )

• 10 x 10 + ( 10 + 8) x 4 + 4 x 8