Emerging biochemists more fully understand the flow of energy in ecosystems as they explore the laws of thermodynamics and relate them to energy transfer in food chains. They also investigate heat loss from the human body and how...

As part of a study of the American Presidency, groups investigate five topics: Campaigns and Elections, Role and Responsibilities, Life in the White House, Assassination and Mourning, and Communicating the Presidency.

What is that fraction doing as an exponent? Fun math games prompt learners to practice evaluating radical expressions and expressions containing rational exponents, both in groups and individually.

Get your class outside to observe their surroundings with a lesson highlighting weather patterns and seasonal changes. First, learners take a weather walk to survey how the weather affects animals, people, plants, and trees during...

Have you ever finished a piece of cake and wished you had more? Solve this common dilemma with math! A straightforward instructional activity prompts middle schoolers to use the given dimensions of a heart-shaped cake when planning to...

Space shuttles traveled around Earth at a speed of 17,500 miles per hour, way faster than trains, planes, or automobiles travel! In the 13th installment of 22, groups graph different speeds to show how quickly spacecraft move through...

Simulate the Situation Room and analyze the US's relationship with North Korea. The plan starts off with a quick review and an examination of a online timeline that updates as the situation continues. Next, the class reads an article and...

In this reading a bar graph worksheet, students identify numbers to answer word questions. In this short answer worksheet, students answer five questions.

In this estimating worksheet, students review how to estimate and round numbers. Students then estimate the three number addition problems by rounding the numbers to the nearest hundred. Students then find the exact answer. Students...

In this algebra worksheet, students estimate the square root. They rewrite the root as an exponential function and solve. They use the correct function notation. There are 10 questions.

In this number comparison activity, learners compare numbers and monetary amounts in order to solve 6 word problems. They use addition and subtraction to solve the problems.

In this missing addend worksheet, students fill in the missing addends to the problems where the answers are given. Students put numbers in place of cubes to create number sentences for 16 problems.

Students practice addition facts, record data, and construct a bar graph. In this probability lesson, students participate in a board game in which bicycles move towards a finish line based on players completing addition problems. Dice...

In this addition word problem worksheet, students add one-digit plus one-digit numbers to find the sum. Students solve 9 problems.

Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...

In this addition worksheet, students add the number 3 to 10 single digit numbers. Students put their answers in the boxes provided.

In this addition worksheet, students add two digit numbers together with and without regrouping. Students complete 9 problems total.

In this addition worksheet, students add one digit numbers to two digit numbers. There are thirty questions to answer. Students can complete this online and submit the answers.

In this estimating sums worksheet, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the numbers on the...

For this addition worksheet, 1st graders add the number eight to twenty-five single and double digit numbers from one to ten. Students put their answers on the worksheet.

In this addition worksheet, 1st graders add the number four to twenty-five single and double digit numbers ranging from one to ten.

In this finding the sums worksheet, students add one-digit plus numbers from one to ten on a page with fun clip art next tot each problem. Students solve 15 problems.

In this powers activity, students complete a board game where they have to say the answer of the numbers to powers for each square of the board game. Students complete 34 problems.

Students sing a song (to the tune of The Twelve Days of Christmas) that helps reinforce their counting skills.