What Are Geometry and Measurement
Geometry is the study of shapes and how they fit together. Measurement helps you find out how big or small something is. When you learn about shapes you learn to name and draw them and when you learn about measurement you learn how to find length, weight, and capacity.
These skills help you understand the world around you. You see shapes everywhere from buildings and signs to toys and art. You use measurement when you bake a cake, wrap a gift, measure your height, pour juice into a cup, or compare the size of different things.
Why Geometry and Measurement Are Useful
Geometry helps you see how shapes make up the things you use every day. A box is shaped like a cube, a ball is shaped like a sphere, and an ice cream cone is shaped like a cone. When you understand shapes you can describe them, build with them, and draw them correctly.
Measurement helps you compare and sort things by size. It helps you answer questions like How long is this pencil? How heavy is this book? How much juice can this glass hold? You use rulers, scales, and measuring cups to find length, weight, and capacity.
What You Will Learn
- Name and draw two dimensional shapes like squares, rectangles, circles, and triangles
- Identify three dimensional shapes like cubes, spheres, cones, and cylinders
- Measure length in centimeters and meters
- Measure weight in grams and kilograms
- Measure capacity in milliliters and liters
- Compare sizes and put things in order
- Work out simple perimeter and area for squares and rectangles
Real Life Examples
When you wrap a box you need to know its length and width to cut enough wrapping paper. When you pour juice into a bottle you want to know how much it holds so you do not spill it. When you bake cookies you use measuring cups to get the right amount of flour, sugar, and butter. If you build a tower with blocks you see how different shapes fit together to make something new.
Geometry and Measurement Practice
Naming and Drawing Shapes
- Draw a square, a triangle, and a circle
- Draw a rectangle and a hexagon
- Name two 3D shapes you see in your classroom
- Draw a cube and a cylinder
- Name three things that are shaped like a sphere
- Name something in your house shaped like a cone
- Draw a shape with four equal sides
- Draw a shape with three sides
- Draw a box and label it as a rectangular prism
- Draw a shape that looks like a ball and write its name
Measuring Length
- What tool do you use to measure the length of your pencil?
- A ribbon is 50 centimeters long. How many meters is that?
- Your book is 30 centimeters wide. How wide is it in meters?
- Measure the length of your desk in centimeters
- If your shoe is 25 centimeters long, how long is it in meters?
- Is your backpack longer than your math textbook?
- Which is longer, your ruler or your pencil?
- Write something that is about 1 meter long
- Write something that is about 10 centimeters long
- Write something that is about half a meter long
Measuring Weight
- Which is heavier: an apple that weighs 200 grams or a watermelon that weighs 1 kilogram?
- Write something you could measure in grams
- Write something you could measure in kilograms
- If a small bag of rice weighs 500 grams and a big bag weighs 2 kilograms, which is heavier?
- What tool do you use to measure weight in grams?
- What tool do you use to measure weight in kilograms?
- Which is heavier, your school bag or your pencil case?
- Is a soccer ball heavier than a loaf of bread?
- Write something that weighs about 1 kilogram
- Write something that weighs about 50 grams
Measuring Capacity
- What tool do you use to measure how much water a bottle holds?
- If a water bottle holds 500 milliliters, how many liters is that?
- How many milliliters are in 1 liter?
- Which holds more: a glass that holds 200 milliliters or a cup that holds 150 milliliters?
- A jug holds 1 liter of juice. How many milliliters is that?
- How many milliliters does your water bottle hold?
- Which holds more: your lunch box or your pencil case?
- Which holds less: a cup or a bottle?
- Write something that can hold about 2 liters
- Write something that can hold about 100 milliliters
Comparing and Ordering Sizes
- Which is longer: a pencil that is 18 centimeters or one that is 25 centimeters?
- Put these in order from smallest to biggest: 10 cm, 20 cm, 50 cm
- Which is heavier: a packet of chips weighing 50 grams or an apple weighing 100 grams?
- Put these in order from lightest to heaviest: 50 grams, 100 grams, 200 grams
- Which holds more: 500 milliliters or 2 liters?
- Which is smaller: half a liter or 1 liter?
- Put these in order from smallest to biggest: 100 ml, 250 ml, 500 ml
- Which is longer: 1 meter or 50 centimeters?
- Which weighs more: 3 kilograms or 500 grams?
- Which holds less: a mug or a jug?
Perimeter and Area
- A square has sides of 5 centimeters. What is its perimeter?
- A rectangle is 4 cm wide and 6 cm long. What is its perimeter?
- A square has sides of 8 centimeters. What is its area?
- A rectangle is 5 cm wide and 7 cm long. What is its area?
- Find the perimeter of a square with sides of 10 centimeters
- Find the area of a square with sides of 12 centimeters
- A rectangle is 6 cm wide and 9 cm long. What is its perimeter?
- A rectangle is 3 cm wide and 4 cm long. What is its area?
- Draw a square and write its perimeter if each side is 4 cm
- Draw a rectangle and write its area if it is 2 cm wide and 5 cm long