Videos and solutions to help Grade 4 students learn how to add decimal numbers by converting to fraction form.

Topic D: Addition with Tenths and Hundredths

Common Core Standards: 4.NF.5, 4.NF.6, 4.NF.3c, 4.MD.1

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Lessons for Grade 4

Common Core For Grade 4

Lesson 13 Concept Development

Problem 1: Add two decimal numbers less than 1 by converting to fraction form.

Problem 2: Add two decimal numbers involving whole numbers and like fractional units by converting to fractional form.

Problem 3: Add two decimal numbers involving whole numbers, tenths, and hundredths with unlike units by converting to fractional form.

1. Solve. Convert tenths to hundredths before finding the sum. Rewrite the complete number sentence in decimal form. Problems 1(a) and 1(b) are partially completed for you.

2. Solve. Then rewrite the complete number sentence in decimal form.

3. Solve by rewriting the number sentence in fraction form. After solving, rewrite the complete number sentence in decimal form.