Curated OER
Points In the X-Y Plane
Students plot points on the x-y plane using x and y coordinates and describe how the x and y values relate to the position of the point on the plane. They plot points that fit a linear relationship. They explain that their horizontal and...
Curated OER
Points in the X-Y Plane
Students plot points on the x-y plane using x and y coordinates. They describe how the x and y values relate to the position of the point on the plane. Finally, students plot points that fit a linear relationship and summarize that a...
Pennsylvania Department of Education
How Many Mats?
Students count how many mats are put in a group. in this counting instructional activity, students are put into groups and count how many mats they have.
Curated OER
Raisin Cane
Students estimate and record the number of raisins in a snack-size box. They also graph their results and note the differences (+ or -) from their estimate and actual number.
Curated OER
Shopping for Toys
Students pretend as if they have just won a $100 gift certificate to buy some toys and must try to spend as much of it as they can without going over.
Curated OER
Number Jump
Students practice addition and subtraction skills while practicing jumping rope. They must jump rope using a variety of basic rope jumping skills and add and subtract in their heads.
Curated OER
Pictograph to Bar Graph
Second graders explore organizing data to make it useful for interpreting picture graphs and bar graphs. They use Graphers software to create a pictograph and a bar graph.
Curated OER
Beary Good Problem Solvers
First graders role-play addition and subtraction operations with teddy bears. They practice with the bears first, then write and solve the problems.
Curated OER
"Slice of Pi with Neo-Excel"
Middle schoolers explore diameter, radius, and circumference. They define radius, diameter, and circumference on an online dictionary, identify objects in the room with a radius and a diameter, and calculate the radius and diameter of...
Curated OER
Snakes and Scarves
Second graders explore linear patterns using snakes as the context. During the week we examine, construct and record snakes of different patterns. We also put scarves on our snakes and ask others to predict what is hidden.
Curated OER
Investigating the Idea of Cos
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
Curated OER
How far is a km?
Young scholars explore the size of a kilometer and the time it takes to cover this distance. They develop a concept of a km. They measure a distance of 1 km and the time taken to cover it.
Curated OER
The Garden
Students talk about the types of insects that you might see if you looked in the garden. They then brainstorm for ideas about how to solve the problem, sort objects into categories and display the results and count the objects in a...
Curated OER
Mosaic Puzzles
Students use this problem to develop spatial skills. As the students handle the shapes and join them together they strengthen their understanding of the attributes of shapes. This lesson also gives students the opportunity to make up...
Curated OER
Manu's Song
Fourth graders observed the following pattern: snap, clap, snap, clap....Join my pattern when you know how it goes. After the all the students can follow the pattern ask them if they can use counters (2 colors) to show the pattern.
Ask...
Curated OER
Colourful Jerseys
Students form a repeating pattern using shoe colour (eg., white, brown, white, brown). Without knowing what pattern they are using ask the students to join the line if they think that they could be the 5th member of the pattern. Ask them...
Curated OER
Buttons and Bears
Students read the problem and then identify the important information in the problem and highlight. They then brainstorm for ways to solve the problem by drawing a picture and working in pairs.
Curated OER
Figure This!
Second graders explore the concept of inequalities. They use the mathematical symbols =, <, > to show relationships among numbers. Students devise and use problem solving strategies to explore the situation.
Curated OER
Three Coins on a Table
Learners discuss the subject of coins and heads and tails. They work in groups to solve Fran's problem concentrating on the fact that the coins are in a row. Any group that finishes early can try the Extension problem.
Curated OER
Little Magic Squares
Students and teacher talk about arrays of numbers like the ones in A Square of Circles. They check to see that the rows all have the same sum; that the columns all have the same sum; and that the diagonals have the same sum.
Curated OER
My Dogs
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
Curated OER
The Fathers' Day Card
Pupils subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
Curated OER
Lollies, Lollies, Lollies
Students listen to the problem read to them. They answer some simple questions using number sentences. They then compose a written record of the solution and share their approaches used.
Curated OER
Gulls
Students listen to the problem and think about the first question and the number operation that they would use and explain. They work in pairs and record their solutions so that they can be displayed and shared.