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

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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!

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

Estimating volume (cups, pints, quarts, and gallons)Get 5 of 7 questions to level up!

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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!

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

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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!

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

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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!

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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!

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

Learn

Practice

Convert to smaller units (mm, cm, m, & km)Get 5 of 7 questions to level up!

Convert to smaller units (in, ft, yd, & mi)Get 5 of 7 questions to level up!

Learn

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!

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

Practice

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

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Practice

Metric conversions word problemsGet 3 of 4 questions to level up!

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

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!