Grade 3 Math DOL 12.13

Kendra wants to make a lid for a small wooden box. She needs 8 pieces of wood, each 14 centimeters long. How many centimeters of wood does she need?

• 102

• 112

• 104

• 82

Gerrie is 24 years old. Her grandmother is 3 times as old. How old is her grandmother?

• 62

• 27

• 72

• 12

David solved the multiplication problem below. Solve the problem using the standard algorithm strategy. Is he correct? Why or why not? David's Work 85 x 5 405

Ashley's brother works at a car wash and earns $46 per day. Ashley will use partial products to calculate how much money her brother earns in 8 days. How much money does Ashley's brother earn in 8 days?

• $368

• $54

• $328

• $80

To get enough money to go on a field trip, every student in a club has to raise $53 by selling chocolate bars. There are 9 students in the club. How much money does the club need to raise to go on the field trip? a. Solve the story problem using partial products or standard algorithm. b. Using words, explain how your selected strategy helped you solve the story problem.