Lesson 12 Review

Alaysha bought 5 bags of gummy bears. Each bag had 8 gummy bears. She gave away 19 gummy bears to Jace. How many gummy bears are left?

How do I solve this?

• multiply 5x8 to get 40, then subtract 40-19 to get 21

• add 5+8 to get 13, then add 19 more to get 32

• subtract 8-5 to get 3, then subtract 19-3 to get 16

Caroline bought 2 bags of gummy bears. Each bag had 4 gummy bears. She gave away 2 gummy bears to Brooke. How many gummy bears are left?

How do I solve this?

• multiply 2x4 to get 8, then subtract 8-2 to get 6

• add 4+2 to get 6, then add 2 more to get 8

• subtract 4-2 to get 2, then subtract 2-2 to get 0

Gabe bought 4 bags of gummy bears. Each bag had 3 gummy bears. He gave away 2 gummy bears to Caleb. How many gummy bears are left?

• 10

• 8

• 6

Korbyn had 4 five-dollar bills. Mrs. Bernard gave him a ten-dollar bill. How much money does Korbyn have now?

• multiply 4x5 to get 20, then add 20+10 to get $30

• multiply 4x10 to get 40, then subtract 40-5 to get $45

• multiply 4x5 to get 45, then add 45+10 to get $55

Kassidy had 5 one-dollar bills. Mrs. Martin gave her a ten-dollar bill. How much money does Kassidy have now?

• $15

• $6

• $50

Chloe bought 2 boxes of seeds for her vegetable garden. There were 4 packs of seeds with 3 seeds in each pack in each box. How many seeds in all?

• multiply 4x3 to get the number of seeds in one box, then multiply 12x2 to get the number of seeds in 2 boxes

• multiply 4x2 to get the number of seeds in one box, then multiply 8x2 to get the number of seeds in 2 boxes

Chloe bought 2 boxes of seeds for her vegetable garden. There were 4 packs of seeds with 3 seeds in each pack in each box. How many seeds in all?

• 24

• 16

• 22

• 12

Kyler does a card trick. He puts 16 cards into 4 equal groups. Then he gives one stack of cards to Ethan. How many cards does Kyler have left?

• Divide 16 by 4 to get 4 cards in each stack. Ethan will get one stack of 4 cards. So, Kyler has 3 stacks of 4 left. 3x4=12

• Divide 4 by 4 to get 1 cards in each stack. Ethan will get one stack of 1 cards. So, Kyler has 3 stacks of 1 left. 3x1=3

• Divide 16 by 2 to get 8 cards in each stack. Ethan will get one stack of 8 cards. So, Kyler has 1 stack of 8 left.

Kyler does a card trick. He puts 16 cards into 4 equal groups. Then he gives one stack of cards to Ethan. How many cards does Kyler have left?

• 12

• 4

• 8

• 11

There are 16 water bottles that are divided equally between 2 teams. Each team has 4 players. How many bottles will each player get?

• Divide 16 by 2 to get 8, then divide 8 by 4 to get 2. Each player gets 2 bottles of water.

• Multiply 16x2 to get 36, then divide 36 by 4 to get 9. Each player gets 9 bottles of water.

• Divide 4 by 2 to get 2, then multiply 16x2 to get 36. Each player gets 36 bottles of water.