Name:    Lesson 10: Solving Problems by Working Backwards

1.

Taylor sorted stickers into 6 equal groups. She then sorted the stickers into 3 piles of 3.  How many stickers did Taylor have to start with?
 a. 54 b. 48 c. 42 d. 45

2.

Ryan is making a wire sculpture.  He cut the wire into 5 equal pieces. Then he cut 2 cm from each piece so that each piece was 4 cm long.  How long was the wire he started with?
 a. 30 cm b. 35 cm c. 50 cm d. 55 cm

3.

Juliette’s grandfather gave her \$20. She spent \$5 and put the rest in her piggy bank. Now she has \$50 in the piggy bank. How much was in her piggy bank before her grandfather gave her the money?
 a. \$30 b. \$35 c. \$40 d. \$45

4.

34 people camped in 5 tents. The smallest tent only held 2 people. All the other tents held an equal number of people. How many people did the other tents hold?
 a. 5 b. 8 c. 6 d. 7

5.

Desmond sorted some hockey cards into 6 equal groups. He then sorted each group into 2 piles of 3 cards. How many cards did he start with?
 a. 32 b. 34 c. 36 d. 38