Curated OER
Square Corners
Which ones are square corners? As they learn more about shape attributes, be sure scholars understand the difference between a vertex and a square corner. After examining two examples, learners circle the 90-degree corners in 12...
Curated OER
Square Corners
What type of corners does this shape have? Young geometers examine 12 shapes, circling the square corners in each if they have any. There are two examples demonstrating this concept, but be sure scholars understand the difference between...
Freecloud Design
Mathmateer
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
Curated OER
Squares to Compare
Students investigate how to draw and classify two and three dimensional figures (squares, triangles, rectangles.)
Curated OER
It Takes Ten
Review and use standard units of measure with your math class. They move from station to station estimating and measuring length, volume, weight, and area. At each station they estimate and measure, and then compute the difference...
Curated OER
Looking Through the Algebraic Lens
Students work with rectangles to find generalizations for adding and subtracting odd and even numbers in part one of the lesson. In part two, students use geoboards to construct polygons, look for patterns, and find a general rule.
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Curated OER
Independent Practice 1: Missing Addition or Subtraction Sign
In this addition and subtraction activity, students supply a plus (+) or a minus (-) sign in the square to make the number sentence true for twenty problems.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Subtraction
In this subtraction learning exercise, students base ten blocks and square unit blocks to solve the subtraction problems. Students solve 5 problems.
Curated OER
Subtraction: Number Square
In this subtraction learning exercise, students use the number square on the page to help them solve the ten 2-digit subtraction problems. The answers are on the second page.
Curated OER
Same As
Explore the concept of the equals symbol. In this mathematical symbols lesson plan, learners discover the meaning of the equals sign (symbol). They also construct addition and subtraction sentences to understand the concept of equal parts.
Curated OER
Subtraction with Borrowing
In this math learning exercise, students go through the process of learning how to borrow in subtraction to the hundreds place. Students are instructed to break down the numbers and "draw squares, sticks and dots" before crossing out...
Curated OER
Exploring Equivalent Fractions
An extensive lesson plan explores equivalent fractions and is intended for three 60-minute periods. Young mathematicians compare and order fractions with like and unlike denominators. Included are worksheets, assessments, and answer...
Curated OER
Shapes and Their Insides
Learners follow a series of instructions for drawing and coloring different shapes in order to learn the difference between the perimeter and area of a polygon. Then they are asked to find the perimeter and area of a 3x4 rectangular...
Curated OER
Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
Curated OER
Location on a Grid
There are 12 symbols on this large grid, and scholars must record a location for each. They use the coordinate pair system which is made easier because every symbol is directly inside a square. Use this to introduce coordinate pair...
Curated OER
Number Squares: Same Difference
In this number squares: same difference worksheet, 3rd graders place numbers in a four-box square so that the difference between the numbers in each row is the same and between each column is the same.
Curated OER
Square Numbers Closure Activity
Students discuss square numbers. For this math lesson, students find square numbers and support their answers. Students find sums and products that are square numbers.
Curated OER
Sunshine Math-2
In this problem solving worksheet, students complete 8 varied word problems. Included are money, addition and subtraction, counting and fractions.
Curated OER
Three in a Row
In this subtraction worksheet, students examine 6 grids filled with subtraction problems to determine which squares in each grid show problems with the same difference.
Curated OER
Math: Greater Than, Less Than, Equals
Elementary schoolers learn about using the symbols for greater than, less than and equal to. They answer nine questions using the information they learned. The answers are on the last page of the packet.
Curated OER
Magic Squares and Adding on a Number Line
For this math addition and subtraction worksheet, students solve 24 problems pertaining to addition magic squares, adding on a number line, adding money (English pounds) and basic addition and subtraction without regrouping. This page is...
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...