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# Unit: Units of measurement

Not feeling ready for this? Check out Get ready for 4th grade.

#### 0

Possible mastery points

## Estimating mass

Practice
Estimate mass (grams and kilograms)Get 3 of 4 questions to level up!
Estimating mass (ounces and pounds)Get 3 of 4 questions to level up!

## Estimating volume

Practice
Estimate volume (milliliters and liters) Get 3 of 4 questions to level up!

## Estimating length

Practice
Estimating length (mm, cm, m, km)Get 5 of 7 questions to level up!
Estimating length (in, ft, yd, and mi)Get 5 of 7 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 600 Mastery points

## Time

Practice
Estimating time (seconds, minutes, and hours)Get 3 of 4 questions to level up!
Time differencesGet 3 of 4 questions to level up!
Telling time word problemsGet 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 300 Mastery points

## Converting units of mass

Practice
Convert to smaller units (g and kg)Get 3 of 4 questions to level up!
Convert to smaller units (oz and lb)Get 3 of 4 questions to level up!

## Converting units of volume

Practice
Convert to smaller units (mL and L)Get 3 of 4 questions to level up!
Convert to smaller units (c, pt, qt, & gal)Get 5 of 7 questions to level up!

#### Quiz 3

Level up on the above skills and collect up to 400 Mastery points

## Converting units of time

Practice
Convert to smaller units (sec, min, & hr)Get 5 of 7 questions to level up!
Time conversion word problemsGet 3 of 4 questions to level up!

#### Quiz 4

Level up on the above skills and collect up to 400 Mastery points

## Money word problems

Practice
Convert money word problemsGet 3 of 4 questions to level up!

## Conversion word problems

Practice
Metric conversions word problemsGet 3 of 4 questions to level up!
US customary conversion word problemsGet 3 of 4 questions to level up!

#### Quiz 5

Level up on the above skills and collect up to 300 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 2000 Mastery points!