Envision TN-5 Measure and Estimate Metric Units

What is the better estimate for a fish hook?

• 7 m

• 7 cm

Which is the better estimate for a pen cap?

• 1 mg

• 1 g

Which is the better estimate for a medicine dropper?

• 2 mL

• 2 L

About how tall is a 4th grader?

• 1 m

• 1 cm

About how much would a punch bowl hold?

• 7 mL

• 7 L

About how much would a raisin weigh?

• 1 g

• 1 kg

Lydia adds a few drops of food coloring to homemade frosting. What unit could Lydia use to measure the food coloring? Explain.

• liters

• milliliters

• grams

• inches

Answer explanation

Liters are too big for a few drops of liquid. You cannot measure liquid with grams or inches.

Gabriel walked for 10 minutes. Would you measure the distance he walked in centimeters or meters?​ (a)  

• meters
• centimeters

What unit would you use to measure the length of a sidewalk?

• centimeters

• meters

• kilometers

Answer explanation

A sidewalk is long so a longer unit of measure is needed than centimeters. A kilometer is almost a mile, so that would be too long.

Aubriella swims 50 meters in 40.61 seconds. Ainsley​ ​swims 50 meters in 40.16 seconds. Who has the faster time?​​ (a)  

• Aubriella
• Ainsley

Answer explanation

Ainsley swims faster because 40.16 is less than 40.61. Since Aubriella has the bigger decimal, that means it took her longer to swim than Ainsley.