The Pet Store
4.NF.7
Did you know...
Guinea pigs are friendly animals that enjoy being handled. They rarely bite or scratch. They eat many different fruits and vegetables, along with hay. They can be kept in a cage indoors as a pet. A guinea pig can live up to eight years and weigh up to 3 pounds.
Delivery Day
Tomorrow the pet store will receive a delivery of 9 young guinea pigs.
They have to plan how to safely put them in cages.
Cage Weight Limitsβ¦(*There are 3 of each.)
Cage A:
Up to 3 pounds (lbs)
Cage B:
Up to 2.5 pounds (lbs)
Cage C:
Up to 1.75 pounds (lbs)
Guinea Pig Weights
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Which do you notice about the weights?
What questions do you have?
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Highlight the 3 guinea pigs that could be put in
cage C: 1.75 lb weight limit?
Debrief:
Which Guinea Pig goes in cage C?
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Place the cage C Guinea pigs in order from greatest weight to the least weight.
Millie 1.25 lbs | Sunday 0.89 lbs | Rainbow 1.7 lbs |
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Highlight the 3 guinea pigs that could be put in
B: 2.5 lb weight limit?
Debrief:
Which Guinea Pig goes in each cage B?
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Place the cage B Guinea pigs in order from the least weight to the greatest weight.
Buddy 2.25 lbs | Thumper 1.87 lbs | Penny 2.48 lbs |
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Highlight the 3 guinea pigs that could be put in
A: 3 lb weight limit?
Debrief:
Which Guinea Pig goes in each cage A?
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Place the cage A Guinea pigs on the numberline.
Buddy 2.25 lbs | Thumper 1.87 lbs | Penny 2.48 lbs |
0
1
2
3
Do you agree with where Buddy was placed?
Buddy 2.25 lbs |
0
1
2
3
Buddy
Do you agree with where Thumper was placed?
Thumper 1.87 lbs |
0
1
2
3
Thumper
Julie said she placed 2.48 because 2.48 > 2.5.
Penny 2.48 lbs |
0
1
2
3
Penny
2.5
Explain why Julie is mistaken.
Sunshine arrives!! He can fit in cage B, but not in cage C.
Cage A:
Up to 3 pounds (lbs)
Cage B:
Up to 2.5 pounds (lbs)
Cage C:
Up to 1.75 pounds (lbs)
What are 3 possible weights for Sunshine?
Bonus Guinea Pig Habitat
This guinea pig habitat was found in the storage room of the pet store. It can safely house up to 7 pounds of weight. Which guinea pigs could share this habitat? How many different combinations can you find? Use the chart on the next page to find combinations.
Use the chart on this page to record your combinations of Guinea Pig combinations for up to 7 lbs.
Rex 2.67 lbs | Thumper 1.87 lbs | Sunday 0.89 lbs |
Millie 1.25 lbs | Penny 2.48 lbs | Rainbow 1.7 lbs |
Buddy 2.25 lbs | Chip 2.79 lbs | Zoey 2.83 lbs |
Record your possible combinations here.
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