Endangered Species - Math Worksheet With Answers

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Name
Date
Endangered Species
Endangered and Threatened Species
in the United States
The table shows the number of endangered
and threatened species of animals in the
Group
Endangered Threatened
United States in 2004. Use the information
Amphibians
11
10
in the table to solve the problems.
Arachnids
12
0
Birds
77
14
What is the total number of species of
1.
Clams
62
8
birds on the list?
Crustaceans
16
3
Fishes
71
43
Insects
35
9
Mammals
69
9
How many more endangered species of
2.
Reptiles
14
22
mammals are there than endangered
Snails
21
11
species of snails?
There are 3 times more threatened species of insects on the list than of another group
3.
of threatened animals. Which animal group is it?
Which group of animals has 7 times as many endangered species as amphibians?
4.
Which animal group has the greatest number of species on the list? How many species
5.
in this group are endangered or threatened?
The number of endangered species of one group of animals is 2 more than 5 times the
6.
number of endangered species of another group. Which two groups of animals are
these and how many species of each of these two groups are endangered?
Extend It Write your own word problem based on the information in the table. Have a
7.
partner solve your word problem.

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