Sea Squares by Joy N. Hulme

Sea Squares
Reviewed By: Traci DelliCarpini
Author: Joy N. Hulme
Illustrated by: Carol Schwartz
    
Recommended Grade Level: 3rd-4th grade
Common Core Content Standards Addressed:
CCSS.MATH.CONTENT.4.0A.B.4: Gain familiarity with factors and multiples
CCSS.MATH.CONTENT.4.0A.C.5: Generate and analyze patterns
CCSS.MATH.CONTENT.3.NBT.A.3: Use place value understanding and properties
of operations to perform multi-digit arithmetic
Common Core Standards for Mathematical Practice:
CCSS.MATH.PRACTICE.MP4: Model with mathematics.
CCSS.MATH.PRACTICE.MP5: Use appropriate tools strategically.


Summary:
Sea Squares is a picture book that uses beautiful airbrushed and painted illustrations to
depict sea creatures in the ocean. These animals are squared, teaching the students about
multiplication by the same number. The book starts out with one one-ton whale with one
strong tail to ten squirmy squids squirting ten inky trails. Each page has a different sea creature
to gain students interest, ranging from numbers one to ten.


Ratings:
I would give this book 5-stars. It can be used in multiple grades to demonstrate different math
skills such as multiplication, basic counting, squaring and repeated addition. Additionally, this
book can provide discussions for ELA and Science based off the adjectives and the underwater
creatures.


Classroom Ideas:
This book provides multiple different ways to understand squaring. Students need to understand
that when you multiply, you are proving that there is the same amount in each group. In simple
terms, multiplication is just skip counting. Teachers can use snap cubes to have students understand
the concept of squaring numbers. The students can be separated into groups, all the a copy of the
book. As they re-read the book, they can create cubes based off the page and the number being
squared. The first page should have one lone cube, the second page should have four cubes,
showcasing 2x2. The third set of cubes should show nine cubes, showcasing 3x3. Students will
continue this until they have cubes representing pages 1-10. By using the snap cubes, it is a good
hands on way to visualize the numbers being squared.

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