Mass Conversion Fun
A Grade 1 math worksheet focusing on understanding and comparing mass using non-standard units and simple conversions.
Includes
Standards
Topics
Mass Conversion Fun
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Remember to think about how heavy or light things are!
1. Which object is usually heavier?
A feather
A book
A leaf
A paperclip
2. Which object is usually lighter?
A car
A bicycle
A feather
A bus
Fill in the blank with 'heavier' or 'lighter'.
3. An apple is than a watermelon.
4. A rock is than a piece of paper.
5. A balloon is than a ball.
6. Look at the balance scale below. If the scale is balanced, what does that tell us about the mass of the objects on each side?

Decide if the statement is True or False.
7. A small pebble can be heavier than a large sponge.
True
False
8. We use ounces and pounds to measure mass.
True
False
9. Imagine you have a toy car and a real car. How are they different in terms of mass? Explain your answer.
Related Worksheets
Measuring in Meters
A Grade 1 math worksheet focused on understanding and measuring lengths in meters.
Measuring with Inches and Centimeters
First-grade math worksheet focusing on understanding and comparing inches and centimeters as units of length.
Comparing Amounts Worksheet
Grade 1 Math worksheet to practice comparing amounts using greater than, less than, or equal to.
Measuring with Standard and Nonstandard Units
Grade 1 math worksheet focusing on understanding and using standard and nonstandard units of measurement.
Comparing Size Worksheet
Grade 1 Math worksheet focused on comparing the size of objects and animals.
Measuring in Inches
A Grade 1 math worksheet focused on understanding and measuring lengths in inches using a ruler.
Measuring in Feet
A Grade 1 math worksheet focusing on understanding and measuring objects in feet using a ruler.
Weight Comparison Worksheet
A Grade 1 math worksheet for comparing the weight of objects using terms like heavier, lighter, and same weight.