Measurement Conversions and Word Problems: Grade 4 Math Worksheet Answer Key – PDF Download

Grade 4 Measurement Worksheet Answer Key: problems 1–5

Problem 1: Meters to centimeters

1. \(3\text{ m}\) = 3 × ; 100 = \(300\text{ cm}\)
2. \(7\text{ m}\) = 7 × ; 100 = \(700\text{ cm}\)
3. \(12\text{ m}\) = 12 × ; 100 = \(1{,}200\text{ cm}\)
4. \(25\text{ m}\) = 25 × ; 100 = \(2{,}500\text{ cm}\)

Check: 300 cm, 700 cm, 1,200 cm, 2,500 cm.

Problem 2: Kilometers to meters

1. \(2\text{ km}\) = 2 × ; 1000 = \(2{,}000\text{ m}\)
2. \(6\text{ km}\) = 6 × ; 1000 = \(6{,}000\text{ m}\)
3. \(9\text{ km}\) = 9 × ; 1000 = \(9{,}000\text{ m}\)
4. \(15\text{ km}\) = 15 × ; 1000 = \(15{,}000\text{ m}\)

Check: 2,000 m, 6,000 m, 9,000 m, 15,000 m.

Problem 3: Kilograms to grams

1. \(4\text{ kg}\) = 4 × ; 1000 = \(4{,}000\text{ g}\)
2. \(8\text{ kg}\) = 8 × ; 1000 = \(8{,}000\text{ g}\)
3. \(13\text{ kg}\) = 13 × ; 1000 = \(13{,}000\text{ g}\)
4. \(20\text{ kg}\) = 20 × ; 1000 = \(20{,}000\text{ g}\)

Check: 4,000 g, 8,000 g, 13,000 g, 20,000 g.

Problem 4: Liters to milliliters

1. \(5\text{ L}\) = 5 × ; 1000 = \(5{,}000\text{ mL}\)
2. \(9\text{ L}\) = 9 × ; 1000 = \(9{,}000\text{ mL}\)
3. \(11\text{ L}\) = 11 × ; 1000 = \(11{,}000\text{ mL}\)
4. \(30\text{ L}\) = 30 × ; 1000 = \(30{,}000\text{ mL}\)

Check: 5,000 mL, 9,000 mL, 11,000 mL, 30,000 mL.

Problem 5: Pounds to ounces

1. \(2\text{ lb}\) = 2 × ; 16 = \(32\text{ oz}\)
2. \(5\text{ lb}\) = 5 × ; 16 = \(80\text{ oz}\)
3. \(8\text{ lb}\) = 8 × ; 16 = \(128\text{ oz}\)
4. \(10\text{ lb}\) = 10 × ; 16 = \(160\text{ oz}\)

Check: 32 oz, 80 oz, 128 oz, 160 oz.

Grade 4 Measurement Worksheet Answer Key: problems 6–10

Problem 6: Hours to minutes

1. \(3\text{ hr}\) = 3 × ; 60 = \(180\text{ min}\)
2. \(6\text{ hr}\) = 6 × ; 60 = \(360\text{ min}\)
3. \(8\text{ hr}\) = 8 × ; 60 = \(480\text{ min}\)
4. \(12\text{ hr}\) = 12 × ; 60 = \(720\text{ min}\)

Check: 180 min, 360 min, 480 min, 720 min.

Problem 7: Minutes to seconds

1. \(2\text{ min}\) = 2 × ; 60 = \(120\text{ sec}\)
2. \(5\text{ min}\) = 5 × ; 60 = \(300\text{ sec}\)
3. \(9\text{ min}\) = 9 × ; 60 = \(540\text{ sec}\)
4. \(10\text{ min}\) = 10 × ; 60 = \(600\text{ sec}\)

Check: 120 sec, 300 sec, 540 sec, 600 sec.

Problem 8: Complete the table

Multiply each number of meters by 100.

200, 500, 900, 1,400

Problem 9: Mixed units to one unit

1. \(3 \times 1{,}000 = 3{,}000;\ 3{,}000 + 250 = 3{,}250\text{ m}\)
2. \(5 \times 100 = 500;\ 500 + 40 = 540\text{ cm}\)
3. \(2 \times 1{,}000 = 2{,}000;\ 2{,}000 + 500 = 2{,}500\text{ g}\)
4. \(4 \times 16 = 64;\ 64 + 6 = 70\text{ oz}\)

3,250 m; 540 cm; 2,500 g; 70 oz

Problem 10: Hours, minutes, seconds

1. \(2 \times 60 + 30 = 150\text{ min}\)
2. \(60 + 45 = 105\text{ min}\)
3. \(3 \times 60 + 10 = 190\text{ min}\)
4. \(5 \times 60 + 20 = 320\text{ sec}\)

150 min; 105 min; 190 min; 320 sec

Grade 4 Measurement Worksheet Answer Key: problems 11–15

Problem 11: Fractions of a unit

1. Half of 1,000 m is \(500\text{ m}\)
2. One fourth of 1,000 g is \(250\text{ g}\)
3. One fourth of 60 min is 15 min, so three fourths is \(3 \times 15 = 45\text{ min}\)
4. Half of 1,000 mL is \(500\text{ mL}\)
5. One fourth of 100 cm is \(25\text{ cm}\)

500 m; 250 g; 45 min; 500 mL; 25 cm

Problem 12: Compare measurements

1. \(3\text{ m} = 300\text{ cm}\), and 300 is greater than 290: \(3\text{ m} > 290\text{ cm}\)
2. \(2\text{ kg} = 2{,}000\text{ g}\), and 2,000 is less than 2,500: \(2\text{ kg} < 2{,}500\text{ g}\)
3. \(5\text{ L} = 5{,}000\text{ mL}\): \(5\text{ L} = 5{,}000\text{ mL}\)
4. \(2\text{ hr} = 120\text{ min}\), and 120 is greater than 100: \(2\text{ hr} > 100\text{ min}\)

> ; < ; = ; >

Problem 13: Elapsed time on a number line

From 4:15 jump 45 minutes to 5:00, then 5 more minutes to 5:05.

\(45 + 5 = 50\). The practice lasts 50 minutes.

Problem 14: Elapsed time on a clock

The clock shows 4:35. From 4:35 to 5:00 is 25 minutes. From 5:00 to 5:20 is 20 minutes.

\(25 + 20 = 45\). Jamal works 45 minutes.

Problem 15: Reading a measuring jug

The water is at 1,250 mL. A full jug is \(2\text{ L} = 2{,}000\text{ mL}\).

\(2{,}000 – 1{,}250 = 750\). Mei needs 750 mL more.

Grade 4 Measurement Worksheet Answer Key: problems 16–20

Problem 16: Cheese and change

Cost: \(3 \times \$6 = \$18\).

Change: \(\$20 – \$18 = \$2\).

Priya gets $2 in change.

Problem 17: Morning runs

One run: \(2 \times 1{,}000 + 400 = 2{,}400\text{ m}\).

Five runs: \(5 \times 2{,}400 = 12{,}000\text{ m}\).

Diego runs 12,000 m.

Problem 18: Lemonade cups

Change liters to milliliters: \(2 \times 1{,}000 = 2{,}000\text{ mL}\).

\(2{,}000 : 250 = 8\). She fills 8 cups.

Problem 19: Movie night

Add 2 hours: 6:40 + 2 hr = 8:40. Add 25 minutes: 8:40 to 9:00 is 20 minutes, and 5 more minutes make 9:05.

The movie ends at 9:05 p.m.

Problem 20: Backpack mass

Backpack: \(3 \times 1{,}000 + 200 = 3{,}200\text{ g}\).

Total: \(3{,}200 + 450 = 3{,}650\text{ g}\).

The total mass is 3,650 g.

Grade 4 Measurement Worksheet Answer Key: problems 21–24

Problem 21: Biking distance

Monday: \(3\text{ km} = 3{,}000\text{ m}\).

Total: \(3{,}000 + 2{,}500 = 5{,}500\text{ m}\).

Since \(5{,}500 = 5{,}000 + 500\), that is 5 km 500 m.

5,500 m, or 5 km 500 m.

Problem 22: Baking batches

Bag: \(5 \times 16 = 80\text{ oz}\).

\(80 : 12 = 6\) with remainder 8, because \(6 \times 12 = 72\) and \(80 – 72 = 8\).

6 full batches, with 8 oz left.

Problem 23: Farmers market

8 oz is half of a pound, so the weight is \(2\frac{1}{2}\text{ lb}\).

Two pounds cost \(2 \times \$2 = \$4\). Half a pound costs \(\$2 : 2 = \$1\).

Total: \(\$4 + \$1 = \$5\). Maya pays $5.

Problem 24: Swim laps

Seconds: \(4 \times 90 = 360\text{ sec}\).

Minutes: \(360 : 60 = 6\).

Mei swims 6 minutes.

How to use this grade 4 measurement worksheet answer key

Read this grade 4 measurement worksheet answer key after trying each problem yourself, and redo any problem you missed.

See every chapter on the Grade 4 math page.