Plans and Worksheets for Grade 3
Plans and Worksheets for all Grades
Lessons for Grade 3
Common Core For Grade 3
Videos, examples, solutions, and lessons to help Grade 3 students learn how to study commutativity to find known facts of 6, 7, 8, and 9.
Common Core Standards: 3.OA.4,
New York State Common Core Math Grade 3, Module 3, Lesson 1
Geri brings 3 water jugs to her soccer game to share with teammates. Each jug contains 6 liters of water. How many liters of water does Geri bring?
Note: This problem reviews multiplication with 3 units of 6 to solve word problems while also reinforcing measurement concepts. It leads into the discussion of commutativity in the Concept Development.
Part 1: Explore commutativity as it relates to multiplication.
Use tape diagrams to show that multiplication is commutative.
Part 2: Use the multiplication chart to find known facts through commutativity.
Write two multiplication facts for each array
Lesson 1 Homework
1. Complete the charts below.
a. A tricycle has 3 wheels.
b. A tiger has 4 legs.
c. A pack has 5 erasers.
2. Write two multiplication facts for each array.
3. Match the expressions.
4. Complete the equations.
a. 2 sixes = ______ twos
b. _____ × 6 = 6 threes
c. 4 × 8 = _____ × 4
d. 4 × _____ = _____ × 4
e. 5 twos + 2 twos = _____ × _____
f. _____ fives + 1 five = 6 × 5
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