Measuring with a Ruler: 3rd Grade Math Concepts

This lesson continues with measuring using a ruler, starting with a warm-up exercise on calculating lunch time using a timeline. Students then create an input-output chart to practice division and multiplication. The lesson discusses using different rulers for accurate measurement and concludes with solving number stories involving length and fabric calculations.

What units of measurement are mentioned for use with the ruler?

• Meters and kilometers

• Inches and meters

• Feet and yards

• Centimeters and inches

How many minutes does the third grade class have for lunch?

• 25 minutes

• 45 minutes

• 30 minutes

• 40 minutes

How many minutes are there from 10:55 to 11:35?

• 45 minutes

• 40 minutes

• 35 minutes

• 30 minutes

What is the result of dividing 25 by 5?

• 5

• 10

• 20

• 25

What is the rule used in the input-output chart?

• Add five

• Subtract five

• Divide by five

• Multiply by five

What operation is performed when moving from out to in on the input-output chart?

• Addition

• Subtraction

• Division

• Multiplication

Which ruler could not be used due to unequal divisions?

• Ruler 1

• Ruler 2

• Ruler 3

• Ruler 4

How many feet of fence does Mr. Miller need additionally to complete his dog pen?

• 42 feet

• 30 feet

• 24 feet

• 18 feet

How many book bags can Lola make if each requires 5 feet of fabric and she has 25 feet?

• 5 bags

• 6 bags

• 3 bags

• 4 bags

If Trey runs three miles five days a week, how many miles does he run in two weeks?

• 30 miles

• 35 miles

• 25 miles

• 15 miles