Pin it!
Google Plus

Search Results

686icon
Number and Operations

What Balances?

Pre-K-2
This lesson encourages students to explore another meaning of subtraction, the balance. They use subtraction facts to generate related addition facts and explore at the concrete level the idea of subtraction as the inverse of addition.
689icon
Number and Operations

Who's in the Fact Family?

Pre-K-2
In this lesson, the exploration of the relation of addition to subtraction is continued as the students use problem-solving skills to find fact families, including those in which one addend is zero or in which the addends are alike.
691icon
Number and Operations

What's the Difference?

Pre-K-2
During this lesson, students use reasoning to find differences from numbers up to 10, using real and virtual calculators and an addition chart as tools. They also play a concentration game.
697icon
Measurement

Ladybug Lengths

Pre-K-2

This lesson captures students’ interests, provides an introduction to and practice with the measurable attributes of length, and assesses student knowledge. This experience focuses student’s attention on the attributes of length and gives students the opportunity to develop knowledge of and skills in using nonstandard units of measurement.

The lesson begins with a connection to children's literature. As students practice measuring length, the do so using nonstandard units.

697icon
Measurement

The Length of My Feet

Pre-K-2
This lesson focuses students’ attention on the attributes of length and develops their knowledge of and skill in using nonstandard units of measurement. It provides practice with and remediation of the measurable attributes of length.
704icon
Measurement

The Area of Things ...

Pre-K-2
Students have opportunities to recognize and use the attributes of length and area using non-standard units.
707icon
Measurement

Grouchy Lessons of Time

Pre-K-2
This lesson provides an introduction to and practice with the concept of time. The activities focus students’ attention on the attributes of time and enables students at varying levels to develop knowledge and skills in using time.
711icon
Measurement

Drop by Drop

Pre-K-2
In this lesson, students recognize and use the attributes of volume. They engage in activities that promote understanding of how to measure volume using standard units.
713icon
Measurement

The Weight of Things

Pre-K-2
This lesson introduces and provides practice with the measurable attributes of weight. It also gives an opportunity to assess student knowledge of and skill in using measurement of mass. This learning experience focuses students’ attention on the attributes of weight using hands-on activities and active learning.
Algebra

Two-Square Repeating Patterns

Pre-K-2
In this activity, students analyze how repeating patterns are generated. Using the interactive computer applet, students create, compare, and contrast pattern units of two squares and predict how patterns with different colors will appear when repeated in a grid and check their predictions.