Solving for Unknown Word Problems

Wire A is w m long. Wire B is twice as long as Wire A. Wire C is 3 m shorter than Wire B. If the total length of the three wires is 32 m, how long is Wire A?

• 7

• 14

• 21

• 35

Tags

CCSS.8.EE.C.7B

At a market, a slice of pineapple cost b¢. And a slice of watermelon cost 3¢ less than a slice of pineapple. Deddy bought 3 slices of pineapple and 5 slices of watermelon. He paid 73¢ for all. How much is a slice of watermelon?

• 65

• 11

• 9

• 8

Tags

CCSS.7.EE.B.4A

There are x people on the train. At the next station, 37 people get off and 12 people get on. How many people are on the train now in terms of x?

• x – 25

• x – 49

• x + 25

• x + 49

Tags

CCSS.6.EE.A.2A

Tammy cut a long ribbon into some 75 cm pieces. She managed to cut r pieces of ribbon, and there was 40 cm left over. How many cm was the ribbon at first in terms of r?

• 75r – 40

• 75r + 40

• 40 – 75r

• 40r + 75

Tags

CCSS.6.EE.C.9

Paco paid $79.80 for renting a bike for 6 hours. What was the rate per hour for renting the bike?

• $79.80

• $13.30

• $6.00

• $13.31

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Lauren is five inches shorter than Justin.  If Justin is 71 inches tall and weighs 143 pounds, how tall is Lauren?

• 76 inches

• 66 inches

• 72 inches

• 219 inches

Tags

CCSS.6.EE.B.6

Match the cards to the correct unit rate.

• 2

• 5 birds ate 15 sunflower seeds. How many seeds did each bird eat?

• 3

• 2 dogs ate 8 treats. How many treats did each dog eat?

• 5

• 3 cats drank 6 bowls of milk. How many bowls did each cat drink?

• 4

• 9 goats ate 45 cobs of corn. How many cobs did each goat eat?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The rectangular garden ABCD has a double-track path of width y metres for each track all around it. The outer perimeter of path EFGH is 32 metres more than the perimeter of the garden ABCD. Find the width of a single track in metres.

• 32 m

• 16 m

• 8 m

• 2 m

Tags

CCSS.3.MD.D.8

The Obonando Research Center researched 75 species of viruses.

Recently a few species of viruses are transferred to two laboratories, The Akhenaton Lab and The Maranga Lab.

The Akhenaton Lab received 3 times more species than The Maranga Lab. The Obonando Research Center is now researching only 51 species. How many species of viruses were transferred to The Akhenaton Lab?

• 6

• 12

• 18

• 24

Tags

CCSS.8.EE.C.8C

Priyanka lent half of her collection of bags to her sister, Ai. Priyanka then buy seven more bags. If she has 32 bags in her walk-in closet now, how many bags did Priyanka has at the beginning?

• 25

• 39

• 50

• 64

Tags

CCSS.7.EE.B.3