Non-Standard Units

Grade 1 ยท measurement ยท 100 practice problems ยท read aloud

๐Ÿ”Š Listen to this explanation

๐Ÿ“ Measuring with Non-Standard Units

What is it and Why is it Useful?

Measuring with non-standard units means using everyday objects (like paperclips, blocks, or your own feet!) to find out how long, tall, or wide something is. It's a fun first step into the world of measurement because it helps us understand the idea of size before we learn about rulers and inches.

How to Measure Step-by-Step

  1. Pick Your Tool: Choose your measuring object (e.g., a crayon).
  2. Line It Up: Place one end of your tool at the very start of the object you're measuring.
  3. Mark and Move: Make a small mark at the other end of your tool. Then, move the tool so it starts right on your mark.
  4. Count and Repeat: Keep doing this until you reach the end. Count how many times you used your tool!
  5. Say the Answer: "The book is 5 crayons long."

Let's Try Some Examples!

Example 1: How many paperclips long is the pencil?

โžก๏ธ Lay paperclips end-to-end along the pencil. No gaps!
โžก๏ธ You count 6 paperclips.
โœ… Answer: The pencil is 6 paperclips long.

Example 2: How many blocks tall is the toy tower?

โžก๏ธ Stack blocks next to the tower until they are the same height.
โžก๏ธ You use 4 blocks.
โœ… Answer: The tower is 4 blocks tall.

โš ๏ธ Common Mistakes to Avoid

Leaving Gaps or Overlapping: If your paperclips have spaces between them or are on top of each other, your count will be wrong! Make sure they are touching end-to-end.

Not Starting at the Edge: Always start measuring from the very beginning of the object. Don't start in the middle.

๐ŸŒŸ Tips & Tricks

  • No-Gap Rule: Remember, "No gaps, no overlaps!" for a perfect measure.
  • Use the Same Tool: If you start measuring with crayons, finish with crayons. Don't switch to markers halfway!
  • Flat Surface: Make sure the thing you're measuring is on a flat table so it doesn't move.

How to Practice

Become a measurement detective at home! Try to find:

  • How many spoons long is your favorite book?
  • How many LEGO bricks tall is your water bottle?
  • How many of your own feet long is your bed? (Walk heel-to-toe!)

Practice problems

6 of the 100, worked through step by step โ€” try them before opening the answer.

1 The book is 7 paper clips long. How long is it?

Hint: Think about what the number in the problem tells you about the length.

Show the answer

Answer: 7

The problem states that the book is 7 paper clips long. This means if you measure the book using paper clips, you would need 7 of them to match the book's length. Therefore, the length of the book is 7 paper clips.

2 The pencil is 7 paper clips long. How long is it?

Hint: The problem tells you how many paper clips long the pencil is. You just need to find that number.

Show the answer

Answer: 7

The problem states: 'The pencil is 7 paper clips long.' This means the length of the pencil is the same as 7 paper clips placed end to end. Therefore, the pencil is 7 paper clips long.

3 The book is 8 crayons long. How many crayons long is it?

Hint: The problem tells you how many crayons long the object is. You just need to find that number.

Show the answer

Answer: 8

The problem states: 'The book is 8 crayons long.' This means the length of the book is measured in crayons, and the measurement is 8. Therefore, the book is 8 crayons long.

4 The book is 7 crayons long. How many crayons long is it?

Hint: The problem tells you how many crayons long the object is. You just need to find that number.

Show the answer

Answer: 7

The problem states: 'The book is 7 crayons long.' This means the length of the book is measured to be 7 crayons. No calculation is needed. The answer is the number given in the problem, which is 7.

5 The table is 12 blocks long. How many blocks long is it?

Hint: Look for the number that tells you how many blocks were used to measure the table.

Show the answer

Answer: 12

The problem states: 'The table is 12 blocks long.' This means when we measured the table using blocks, it was the same length as 12 blocks placed end to end. Therefore, the table is 12 blocks long.

6 A book is 8 crayons long. How many crayons long is the book?

Hint: Think about what the number in the problem tells you about the length.

Show the answer

Answer: 8

The problem states that the book is 8 crayons long. This means if you lined up crayons end to end next to the book, you would need 8 of them to match the book's length. Therefore, the book is 8 crayons long.

Practise this topic โ€” 10 free problems, no signup โ†’