Animal Number Stories
Home Link 1-6
NAME
DATE
TIME
SRB
Estimate. Then solve each number story. Estimates vary.
1
82-84
The zoo needs to move four animals in a truck that can carry only 700 pounds.
A leopard can weigh up to 176 pounds. A warthog can weigh up to 250 pounds.
A chimpanzee can weigh as much as 130 pounds. What is the maximum weight
that the fourth animal can be?
150 pounds
144 pounds
Estimate: About
Sample answer:
Number model with answer: 700 - (176 + 250 + 130) = 144
Answer:
Yes. How do you know?
Sample answer: My estimate was 150
pounds, which is close to my answer.
Does your answer make sense?
Copyright © McGraw-Hill Education. Permission is granted to reproduce for classroom use.
2
The combined weight of a mountain lion, an orangutan, and a wolf can be as much as
491 pounds. If the wolf weighs 175 pounds and the orangutan weighs 180 pounds,
how much do two mountain lions weigh?
Estimate: About
Answer:
272
300
pounds
Sample answer:
(491 - (175 + 180)) × 2 = 272
pounds
Number model with answer:
Yes. How do you know?
Sample answer: My estimate was 300
pounds, which is close to 272 pounds.
Does your answer make sense?
Source: maximum animal weights from www.nationalgeographic.com
Practice
13
3
5+8=
6
130 = 80 + 50
4
7
4.OA.3, 4.NBT.4, SMP1
15
67 + 94 = 161
9+6=
120
5
70 + 50 =
8
700 = 425 + 275
25