Math topic
Grade 3 measurement
Length, mass, capacity, area, perimeter and volume, with real tools and units. Here is what we have for Grade 3.
Lessons
Grade 3Math
Measure It: Length, Time and Mass in the Real World
Whose foot is the right ruler? How long is a minute, really? Is a kilogram of feathers lighter than a kilogram of rocks? Four lessons where students measure length, time and mass with real tools, then use their own data to settle an argument.
Grades 3–4Math
Fence It, Fill It: Area and Perimeter
Which mat is really the biggest? Does the same fence always hold the same garden? Can the same rug need more edging? Four lessons where students tile, stretch rope and chalk the schoolyard to find out that area and perimeter measure different things.
Printable worksheets
Online practice
- Convert meters and centimeters
- Convert centimeters and millimeters
- Area of rectangles
- Area of squares
- Area from rows of unit squares
- Perimeter of rectangles
- Perimeter of squares
- Find a missing side from the area
- Find a missing side from the perimeter
- Area of shapes made from two rectangles
- Add and subtract masses in grams
- Add and subtract masses in kilograms
- Multiply and divide masses in grams
- Add and subtract volumes in mL
- Add and subtract volumes in litres
- Multiply and divide volumes in millilitres
- Mass and volume word problems: mixed
- Area and perimeter of rectangles
Free tools
Measurement in other grades:KindergartenGrade 1Grade 2Grade 4Grade 5Grade 6Grade 7Grade 8Grade 10All grades