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
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
Secret Formulas
Learners calculate the perimeter of rectangles and squares. They imagine trying to build a fence around a yard or trying to determine how much paint they need to paint a room. They also develop formulas and procedures for determining the...
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...
PBS
Frame Yourself: Area and Perimeter
Elementary schoolers are arranged in pairs and view the video Math Works: Measurement: The Difference Between Perimeter and Area. They discuss any prior knowledge they have of the term perimeter and then brainstorm together what the...
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.
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
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
Area and Volume
What is the difference between area and volume? Have your charges build models of square centimeters, square inches, square feet, square meters, etc. It's definitely challenging, but there is no better way to learn than by trying...
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.
Scholastic
Guess and Check
How can you find the solution to an addition or subtraction problem by guessing? Practice the guess-and-check strategy with a fun math activity based on Ms. Squid's ink mess on the homework. Kids determine which number is covered by the...
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
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
Shape Addition and Subtraction
In this addition and subtraction worksheet, students use the key with 10 shapes that have a corresponding number. Students solve 6 problems in which the geometric shapes alone are shown in an addition or subtraction problem. Students...
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.
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
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
Crossmath Puzzles
For this addition and subtraction worksheet, students complete four puzzle squares. Students fill in the blanks to get the answers at the right side and at the bottom. Numbers may only be used once in each row or column.
Curated OER
Math Squares Game
In this math game worksheet, students follow subtraction signs and numbers to fill in missing blanks in a square. A website reference is given for additional resources.
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
Subtraction
For this subtraction worksheet, students use a given number square to help answer a set of 10 questions. An answer key and website reference are given.
Curated OER
Squares to Compare
Students investigate how to draw and classify two and three dimensional figures (squares, triangles, rectangles.)
Curated OER
Subtraction Practice
For this subtraction worksheet, learners use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.