This unit encourages students to assess the validity of a set of statements and then plan and carry out investigations to find out whether the statements are true. Students then carry out statistical investigations of their own.

First graders investigate whole numbers, and how numbers are often made up of smaller numbers. They determine the underlying concepts of addition and subtraction by examining how there is a finite set of number pairs for a given number....

Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...

Students listen to the problem and think about it, discuss, and work in groups on the solution. They get into groups and solve. They then write down their solutions and report back to the class.

Students explore the problem of percentages. Students find a given fraction or percentage of a quantity. Students devise and use problem solving strategies on problems explored.

Students practice telling time using five and ten minutes intervals. They use their arms and bodies to show the time while following teacher led instructions. They go through the motions as a whole class.

This lesson is a compilation of interdisciplinary, technology-infused activities that focus on the often complicated and sometimes controversial issues related to toxic chemicals in children's environment. Special emphasis is placed on...

Students complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their work...

Students practice with a variety of simple equations involving addition, subtraction, multiplication and division. Explanation is followed by each block of equations given to solve. They are set loose to complete additional equations for...

Learners are introduced to the concept of speed and the difference between average and instantaneous speed. They work as a class to solve a variety of word problems to calculate average speeds without a calculator. The students are then...

Students engage in a lesson that is concerned with the mastery of counting by ten's. They practice counting to varying quantities not to exceed 100. Students could also use manipulatives that are separated into groups of ten.

Students prepare to become the first to cover four adjacent products, horizontally, vertically or diagonally by selecting factors that make the needed products. They play this game to acquire a healthy appetite for competition between...

Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction Background

Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...

In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.

In these angles worksheets, students complete several activities for angles. Students complete 34 problems about angle measurement.

Learners explore the concept graphing data. In this graphing data lesson, students use weather data from their local weather and some other city and graph them. Learners plot the local weather vs. another city. Students record...

Students complete activities for geometric shapes and multiplication. In this multiplication instructional activity, students watch a video about carpets and square foot multiplication problems. Students then work in pairs to solve the...

In this money skills worksheet, students answer financial questions based on their own money situation. Studetns complete seven pages of related activities.

For this domino trick worksheet, students solve and complete six different problems using domino's. First, they think of a domino and count the number of pips on the left side of the domino. Then, students multiply this number by 5 and...

Third graders practice mathematical problem solving skills. In this problem solving lesson, 3rd graders develop mathematical problem solving skills using real-world examples.

In this language arts activity, students read and analyze 10 sentences which have a missing homophone. From the 2 choices provided, students fill in the correct word.

Second graders are introduced to different types of motion. They make rolling spider toys and race them on different surfaces to invsetigate forces and motion. Pupils make glue "spider webs" for their spiders after testing different...