Distributive Property (Decompose Units)
Videos to help Grade 3 students learn how to apply the distributive property to decompose units.
Common Core Standards:3.OA.3,
3.OA.5,
3.OA.7,
3.OA.8,
3.OA.1,
3.OA.2,
3.OA.4,
3.OA.6
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Lessons for Grade 3
Common Core For Grade 3
New York State Common Core Math Module 1, Grade 3, Lesson 18, Lesson 19
Lesson 18 Concept Development
Problem 1: Use number bonds to decompose numbers and apply the distributive property.
Lesson 18 Homework
1. Match.
2. 9 × 4 = ____________
(_______ 4) + (_______ 4) =
_______+ _______ = _______
9 × 4 = _______
3. Lydia makes 10 pancakes. She tops each pancake with 4 blueberries. How many blueberries does Lydia use in all?4. Steven solves 7 × 3 using the distributive property. Show an example of what Steven’s work might look like below. 5. There are 7 days in 1 week. How many days are there in 10 weeks?
1. Label the array. Then complete the equations to make statements that are true.
c) 24 ÷ 4 = _____ d.
(20 ÷ 4) =
(4 ÷ 4) =
(24 ÷ 4) = (20 ÷ 4) + (____ ÷ 4)= ______ + ______
= _____
5. Alex draws the array below to find the answer to 35 ÷ 5. Explain Alex’s strategy.Complete the equations below to solve 22 ÷ 2 =
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