Number Sense

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Algebra

Using symbols to solve equations and express patterns

Geometry

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Explore functions, solve equations, construct geometric shapes

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

Geometry

Explore geometric concepts and constructions in a dynamic environment

3D Calculator

Graph functions and perform calculations in 3D

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

Get started with the GeoGebra Apps

Number Sense

Number Sense

Understanding numbers, their relationships and numerical reasoning

Algebra

Algebra

Using symbols to solve equations and express patterns

Geometry

Geometry

Studying shapes, sizes and spatial relationships in mathematics

Measurement

Measurement

Quantifying and comparing attributes like length, weight and volume

Operations

Operations

Performing mathematical operations like addition, subtraction, division

Probability and Statistics

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources

Get started with our Resources

Calculator Suite

Explore functions, solve equations, construct geometric shapes

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

Geometry

Explore geometric concepts and constructions in a dynamic environment

3D Calculator

Graph functions and perform calculations in 3D

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

Get started with the GeoGebra Apps

Decimal Comparisons with Base 10 Blocks

Decimal Comparisons with Base 10 Blocks

Compare decimals up to the hundredths place. Arrange blocks to visualize and model the comparison.

GeoGebra Content Team

Author:

GeoGebra Content Team

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Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

9 is greater than 1. So why is 2.09 less than 2.1?

Text and math input

Open-ended question 2

11 is greater than 9. So why is 2.11 less than 2.9?

Text and math input

GeoGebra Content Team

Author:

GeoGebra Content Team

Share it with your students:

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Prerequisite Resources

Practice

GR. 4-5

Building Fraction Models

Practice

GR. 4-5

Locating Proper and Improper Fractions on a Number Line

More from Decimal Numbers

Exploration

GR. 4-5

Adding Decimals with Base 10 Blocks

Exploration

GR. 4-5

Comparing Decimals up to the Thousandths Place

Exploration

GR. 4-5

Decimal Multiplication Word Problems

Next Resources

Exploration

GR. 6-8

Percentages and Equivalent Fractions and Decimals

Exploration

GR. 4-5

Estimating the Sum of Decimals up to Two Decimal Places

Practice

GR. 4-5

Writing Expanded Form of Decimals up to the Thousandths Place