Unit 5: Multiplicative Comparison and Measurement

Students interpret, represent, and solve multiplicative comparison problems, using an understanding of the relationship between multiplication and division. They use this thinking to convert units of measure, within a given system, from larger to smaller units.

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What this unit covers

A Multiplicative Comparison · 6 lessons

Goals

• Analyze, describe, and represent multiplicative comparison situations.
• Solve one-step and two-step problems involving multiplicative comparison.

Lessons

1. Times as Many
2. Interpret Representations of Multiplicative Comparison
3. Solve Multiplicative Comparison Problems
4. Solve Multiplicative Comparison Problems with Large Numbers
5. One- and Two-Step Comparison Problems
6. Ten Times as Many

B Measurement Conversion · 7 lessons

Goals

• Convert from larger units to smaller units, within a given system of measurement.
• Solve multi-step problems involving multiplicative comparison and measurement.
• Understand the relative sizes of kilometers, meters and centimeters, liters and milliliters, kilograms and grams, and pounds and ounces.

Lessons

1. Meters and Centimeters
2. Meters and Kilometers
3. Grams and Kilograms, Liters, and Milliliters
4. Multi-Step Measurement Problems
5. Pounds and Ounces
6. Hours, Minutes, and Seconds
7. Multi-Step Measurement Problems with Fractions

C Let’s Put It to Work · 5 lessons

Goals

• Solve multi-step problems involving multiplicative comparison and measurement.

Lessons

1. Weight and Capacity Measurements
2. Length Measurements
3. Compare Perimeters of Rectangles
4. More Perimeter Problems
5. Two Truths and a Lie (Optional)

Helpful to know first

The curriculum says this unit builds on these.

Grade 4 Math · Unit 4 From Hundredths to Hundred-Thousands

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