College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
Illustrative Mathematics
Ants Versus Humans
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson plan, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of...
Curated OER
Adding Decimals
In this adding decimals instructional activity, students solve 10 problems in which decimal numbers to the hundredth place are added. Some problems will need to be rewritten vertically.
Curated OER
Add Groups of 10
In this addition worksheet, learners count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Learners draw a line for each extra 10 added. Students record the total at...
Curated OER
Simple Integer Subtraction
For this mathematics worksheet, 2nd graders solve a number of problems by subtracting simple integers from each other. There are 42 problems to solve on the sheet.
Curated OER
Subtracting 6 and 5
In this mathematics instructional activity, 2nd graders solve a number of problems by finding the difference of each. There are 30 problems to solve on the sheet.
Curated OER
Problems Using Time
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
Curated OER
Subtracting Greater Numbers
In this subtracting greater numbers worksheet, pupils, with a partner, problem solve and calculate the answers to six addition equations.
Curated OER
Chart Trivia
Learners practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
Worksheet 6: Subtraction
In this subtraction worksheet, students solve 30 problems in which three digit numbers are subtracted with regrouping. Problems may need to be rewritten as they are in horizontal format.
Curated OER
Worksheet #10
In this mathematics activity, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
Curated OER
Adding Fractions Worksheet 2
In this math instructional activity, student practice solving the problems using the operation of addition with the mixed numbers. The answers are found on page two.
Curated OER
Olympic Games - Can You Measure Up?
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Curated OER
Add the Double Digit Numbers
In this math worksheet, students practice addition of double digit numbers for both addends. There is no regrouping in these 12 problems. Problems are written vertically.
Curated OER
Add Two Digit Numbers - Vertical
In this problem solving worksheet, students add together 20 problems involving 2-digit whole numbers. Students record their answers underneath each problem.
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Money in India: Comparison Shopping
Students are exposed to a monetary system different from their own. They learn to exchange currencies between two monetary systems. Practice the necessary mathematical functions to find comparison. Compare prices of items sold in India...
Curated OER
Market Prices
Second graders understand that prices change. In this business, price and labor lesson plan, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
Curated OER
Subtract in Columns
In this subtraction worksheet, students complete several subtraction activities that help them subtract in columns and borrow over zeros. Students then add to check their subtraction and then solve several subtraction distance word...
