Videos to help Grade 4 students learn how to multiply two-digit multiples of 10 by two-digit multiples of 10 with the area model.

Common Core Standards: 4.NBT.5, 4.OA.1, 4.OA.2, 4.NBT.1

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Lessons for Grade 4

Common Core For Grade 4

Problem 1: Use the place value chart to multiply a two-digit multiple of 10 by a two-digit multiple of 10.

Problem 2: Create an area model to represent a two-digit multiple of 10 by two-digit multiple of 10.

2. Draw an area model to represent 20 × 40.

2 tens × 4 tens = _____ __________

Represent the following problem by drawing disks in the place value chart.

1. To solve 30 × 60, think:

(3 tens × 6) × 10 = ________

30 × (6 × 10) = ________

30 × 60 = _______

2. Draw an area model to represent 30 × 60.

3 tens × 6 tens = _____ __________

Rewrite each equation in unit form and solve.

5. 50 × 20 = ________

5 tens × 2 tens = _____ hundreds

6. 30 × 50 =

3 tens × 5 ________ = ____ hundreds

10. To print a comic book, 50 pieces of paper are needed. How many pieces of paper are needed to print 40 comic books?