**Download Measuring Length Worksheets for Grade 3**

Q.1) Convert:

5 km = __ m

Q.2) Convert:

5 km 438 m = __ m

Q.3) Convert:

4000 m = __ km

Q.4) Convert:

1865 km = __ km __ m

a) 1, 865

b) 186, 5

Q.5) Convert:

7 m = __ cm

Q.6) Convert:

5 m 624 cm = __ cm

Q.7) Convert:

300 cm = __ m

Q.8) Convert:

714 cm = __ m __ cm

a) 7 , 14

b) 71 , 4

Q.9) Add 63 km 745 m and 25 km 452 m ?

a) 85 km 68 m

b) 89 km 197 m

c) 86 km 137 m

Q.10) Add 23 m 35 cm and 42 m 76 cm ?

a) 64 m 17 cm

b) 69 m 13 cm

c) 66 m 11 cm

Q.11) Subtract:

79 m 87 cm – 56 m 76 cm ?

a) 19 m 18 cm

b) 21 m 6 cm

c) 23 m 11 cm

Q.12) Subtract:

65 m 48 cm – 26 m 34 cm ?

a) 39 m 14 cm

b) 36 m 56 cm

c) 41 m 23 cm

Q.13) Add 32 km 323 m and 12 km 411 m ?

a) 44 km 734 m

b) 32 km 813 m

c) 36 km 515 m

Q.14) Add 35 km 625 m and 24 km 545 m ?

a) 63 km 224 m

b) 65 km 142 m

c) 60 km 170 m

Q.15) Subtract:

97 km 769 m – 51 km 428 m ?

a) 48 km 302 m

b) 49 km 399 m

c) 46 km 341 m

### Measuring Length Worksheets for Grade 3 Explanations

**Q.1) Explanation – Measuring Length Worksheets for Grade 3**

As we know that,

1 km = 1000 m

To find 5 km in m. We have to multiply both sides by 5

( 5 x 1 ) km = ( 5 x 1000 ) m

5 km = 5000 m

**Q.2) Explanation – Measuring Length Worksheets for Grade 3**

5 km 438 m can also be written as 5 km + 438 m

To change 5 km + 438 m into m

we have to convert 5 km in m

As we know that,

1 km = 1000 m

5 km = ( 5 x 1000 ) m

5 km = 5000 m

Therefore,

5 km + 438 m = 5000 m + 438 m

= 5438 m

**Q.3) Explanation – Measuring Length Worksheets for Grade 3**

As we know that,

1 km = 1000 m

or 1000 m = 1km

then,

1 m = 1/1000 km

To find 4000 m in km. We have to multiply both sides by 4000

( 4000 x 1 ) m = ( 4000 x 1/1000 )km

4000 m = 4 km

**Q.4) Explanation – Measuring Length Worksheets for Grade 3**

As we know that,

1 km = 1000 m

or 1000 m = 1 km

then,

1 m = 1/1000 km

To find 1865 km in km and m. We have to multiply both sides by 1865

( 1865 x 1 ) m = ( 1865 x 1/1000 )km

1865 m = 1.865 km

Digits before decimal point is written with kilometre ( km ) and after decimal point with metre ( m )

Hence, 1865 km = 1 km 865 m

**Correct Answer – a) 1, 865**

**Q.5) Explanation – Measuring Length Worksheets for Grade 3**

As we know that,

1 m = 100 cm

To find 7 m in cm. We have to multiply both sides by 7

( 7 x 1 ) m = ( 7 x 100 ) cm

7 m = 700 cm

**Q.6) Explanation – **

5 m 624 cm can also be written as 5 m + 624 cm

To change 5 m + 624 cm into cm

we have to convert 5 m in cm

As we know that,

1 m = 100 cm

5 m = ( 5 x 100 ) cm

5 m = 500 cm

Therefore,

5 m + 624 cm = 500 cm + 624 cm

= 1124 cm

**Q.7) Explanation – Measuring Length Worksheets for Grade 3**

As we know that,

1 m = 100 cm

or 100 cm = 1m

then,

1 cm = 1/100 m

To find 300 cm in m. We have to multiply both sides by 300

( 300 x 1 ) cm = ( 300 x 1/100 )m

300 cm = 3 m

**Q.8) Explanation – **

As we know that,

1 m = 100 cm

or 100 cm = 1 m

then,

1 cm = 1/100 m

To find 714 cm in m and cm. We have to multiply both sides by 714

( 714 x 1 ) cm = ( 714 x 1/100 )m

714 cm = 7.14 m

Digits before decimal point is written with metre ( m ) and after decimal point with centimetre ( cm )

Hence, 714 cm = 7 m 14 cm

Correct Answer – a) 7 , 14

**Q.9) Explanation – Measuring Length Worksheets for Grade 3**

Write Kilometres (km) and Metres (m) aligned in columns properly.

Add Kilometres (km) and Metres (m) as we add numbers in Addition.

Hence, the sum is 89 km 197 m

**Correct Answer – b) 89 km 197 m**

**Q.10) Explanation – **

Step I: Write m and cm aligned in columns properly.

Step II: Add Metres (m) and Centimetres (cm) as we add numbers in Addition.

Hence, the sum is 66 m 11 cm

**Correct Answer – c) 66 m 11 cm**

**Q.11) Explanation – Measuring Length Worksheets for Grade 3**

Write Metres (m) and Centimetres (cm) aligned in columns properly.

Subtract Metres (m) and Centimetres (cm) as we subtract numbers in Subtraction.

Hence, the difference is 23 m 11 cm

**Correct Answer – c) 23 m 11 cm**

**Q.12) Explanation – **

Step I:Write Metres (m) and Centimetres (cm) aligned in columns properly.

Step II:Subtract Metres (m) and Centimetres (cm) as we subtract numbers in Subtraction.

Hence, the difference is 39 m 14 cm

**Correct Answer – a) 39 m 14 cm**

**Q.13) Explanation – Measuring Length Worksheets for Grade 3**

Write Kilometres (km) and Metres (m) aligned in columns properly.

Add Kilometres (km) and Metres (m) as we add numbers in Addition.

Hence, the sum is 44 km 734 m

**Correct Answer – a) 44 km 734 m**

**Q.14) Explanation – **

Write Kilometres (km) and Metres (m) aligned in columns properly.

Add Kilometres (km) and Metres (m) as we add numbers in Addition.

Hence, the sum is 60 km 170 m

**Correct Answer – c) 60 km 170 m**

**Q.15) Explanation – Measuring Length Worksheets for Grade 3**

Write Kilometres (km) and Metres (m) aligned in columns properly.

Subtract Kilometres (km) and Metres (m) as we subtract numbers in Subtraction.

Hence, the difference is 46 km 341 m

**Correct Answer – c) 46 km 341 m**

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