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4th grade · Math · Unit 14 of 17

Metric Measures

Grams, kilograms, liters and milliliters

What your child practices

Changing between grams and kilograms and between liters and milliliters, understanding kilo, centi and milli, and choosing a sensible unit and tool.

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 4.8(A); 4.8(B) · relative sizes of metric units, and converting between them

How we explain it

Children can open this short lesson before they practice.

  1. 1 m = 100 cm. 1 L = 1000 mL. 1 kg = 1000 g.
  2. Going to a smaller unit: multiply.
  3. Going to a bigger unit: divide.

Example: 4 L = ☐ mL 1 L is 1000 mL. 4 × 1000 = 4000. Answer: 4000 mL

Metric Measures in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 14 of 17 in 4th grade Math, after Triangles, Quadrilaterals & Angles and before Feet, Pounds & Gallons.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Texas Education Agency (TEA)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    5000 mL = L

    5000 mL = L

    answer box

  2. Question 2

    7 L = mL

    7 L = mL

    answer box

  3. Question 3

    Which tool would you use to measure capacity?

    • a measuring cup
    • a scale
    • a ruler

  4. Question 4

    About how much does a large bottle of water hold?

    • 1 L
    • 1 mL
    • 100 L

  5. Question 5

    What does the prefix “kilo” mean?

    • 1000 times as much
    • one hundredth as much
    • one thousandth as much

  6. Question 6

    9 kg = g

    9 kg = g

    answer box

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