Animal Fact Family Worksheet
Math Field Guide Addition & Subtraction
Animal Fact Family Habitat
Name:
Date:
How Fact Families Live Together: Three numbers form 4 related equations (2 addition & 2 subtraction)!
Part + Part = Whole • Whole - Part = Part
1
Cozy Burrow Warm-Ups
(Sums to 20)
Write all 4 equations for each animal trio.
Bunny Burrow
4•9•13
- =
- =
Bear Den
7•8•15
- =
- =
Fox Hollow
5•12•17
- =
- =
2
Treetop Trail Climbers
Challenge: Two-Digit Numbers!
Watch the larger sums closely!
Owl Perch
14•25•39
- =
- =
Deer Meadow
18•27•45
- =
- =
Wolf Pack
26•38•64
- =
- =
Ranger Reminder: When subtracting, always begin with the largest number (the whole family total)!
Turn to Page 2 for Detective Puzzles ➔
Part 2 • Investigation Lab
Critter Detective & Fact Checker
Wildlife Unit: Fact Families
3
The Missing Critter Mystery
Find the lost number, then write all 4 equations.
Case #1: Squirrel Stash One part number slipped away!
16 • ? • 42
- =
- =
Case #2: Otter Stream The whole family sum is missing!
34 • 58 • ?
- =
- =
4
Critter Imposter Patrol
Does the equation truly belong to the family? Circle True or False.
Family: { 9, 15, 24 }
24 - 9 = 15
TRUE FALSE
Family: { 8, 14, 22 }
14 - 8 = 22
TRUE FALSE
Family: { 12, 19, 31 }
19 + 12 = 31
TRUE FALSE
Family: { 15, 18, 33 }
33 - 15 = 17
TRUE FALSE
5
Ranger Inventor: Build Your Own Animal Family!
Creative Challenge
My Animal Family:
My 3 Numbers:
- =
- =
Wildlife Ranger Math Certificate Earned!
Total Score: _______ / 12 Fact Sets Page 2 of 2