Curated OER
Using a Round-O-Meter to Estimate
Explore the concept of rounding numbers to the nearest dollar or dime. Youngsters use a "round-o-meter" to determine which direction to round a number. They make round-o-meters out of a piece of paper, a piece of string, and a paper clip.
Curated OER
Understanding Place Value: Base Ten Models
As an overview of place value involving numbers in the hundreds, this resource would be incredibly beneficial. There are only a few examples, but the graphics make this concept come alive. In a lower grade classroom, this presentation...
Curated OER
Who Wants to Win Millions - Estimation, Shapes, Time, Fractions
What a great way to have learners review concepts relating to estimation, fractions, geometric shapes, and time! They play a game called Who Wants to Win Millions in order to practice these skills. The visuals are attractive and motivating.
Curated OER
Who Wants to Be a Champion: Place Value
Explore place value using this fun and motivating game. Learners identify numbers using blocks of tens and hundreds, convert to expanded and standard forms, answer word problems, and more! This is a colorful and comprehensive way to...
Curated OER
Greater Gator Chomps the Hornets
Here is a very good, interactive presentation that reinforces the concepts of greater than, less than, and equal to. In it, learners are taught the trick that the alligator always "eats" the number of greater value. During the...
Curated OER
Word Problems Using Six Dinner Sid
Sid the cat can eat six dinners in one day! After reading the short story Six Dinner Sid, learners respond to two multiplication word problems. First, they consider how many dinners Sid would eat in one week at his current rate. Then,...
Curated OER
Unifix Cubes
Unifix cubes are wonderful tools that can be used to model a variety of mathematical concepts. Children will compose number two through eight by placing Unifix cubes on their paper and then coloring in the cubes they used.
Illustrative Mathematics
Make Your Own Puzzle
Puzzling over what geometry lesson to teach next? Look no further. This simple activity teaches young mathematicians how shapes can be decomposed into smaller figures, and how smaller figures can be assembled into larger shapes. To learn...
K-5 Math Teaching Resources
Ten Frame Cards
Support your visual learners on their journey to mathematical understanding with this collection of ten frame cards. Representing numbers from 1 to 42, these pictures can be used in any number of ways to introduce children to the concept...
K-5 Math Teaching Resources
Large 5x5 Geoboard Paper
Accompany a physical Geoboard or use this printed 5x5 Geoboard paper with lines for writing to explore and explain basic geometric concepts.
Girl Scouts
Daisy Making Choices Leaf
Shed light on the concept of financial literacy with a series of four activities that examines needs vs. wants, gives scholars the opportunity to buy products using paper money, and set goals to save money.
Noyce Foundation
Cutting a Cube
Teach the ins and outs of the cube! A series of five K–12 level activities explore the make-up of the cube. The beginning lessons focus on the vocabulary related to the cube. Later lessons explore the possible nets that describe a cube....
Noyce Foundation
Poly-Gone
Investigate polygons from rectangles to triangles to octagons. Each level of the five-problem series targets a different grade level. Beginning with the level A problem, learners examine the relationship between area and perimeter by...
Illustrative Mathematics
Regrouping
What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.
Curated OER
Math - "Where Am I?" Position in Space
A big part of understanding mathematical concepts is by mastering the vocabulary associated with those concepts. Students identify and explore positional/directional words as they relate to math. Students answer eleven fill-in-the-blank...
Curated OER
The Squares of Numbers in Multiplication
Review multiplication facts and concepts! This clear, and easy to follow lesson will help your class to understand multiplication by using arrays and repeated addition. There are strategies to help with memorization and manipulative...
Math Salamanders Ltd.
Multiplication as Repeated Addition to 10x10
The class works to change 15 repeated addition problems into their multiplication counterparts and then completes 15 more where they do the opposite. This is a great way to build an understanding of what multiplication is and could...
Curated OER
Four Operations Sorting Game
You've just reviewed what each basic mathematical symbol means, now you want to reinforce the concept. This presentation can be printed, cut up, and used as a sorting game. Learners will either match the symbol to the operation, like...
Curated OER
Scaled Measurements
Introduce youngsters to the concept of scale measurement and the uses of scale drawing. They are provided with an explanation and then given two examples of how scale measurements work. This would be a good resource to use prior to...
Curated OER
Spring Math Word Problems
Learners solve two word problems, one addition and one subtraction. They read each problem, determine what is being asked, then draw pictures to help them solve. This would work well as a warm up, concept review, or challenge for early...
Curated OER
Associative Property of Addition Worksheet
Here is a set of 16 problems in which the associative property of addition must be employed to solve. Tip: Provide concrete objects or manipulatives to aid struggling learners in understanding the concept.
Curated OER
Decomposition, Numbers, and Subtraction
Wonderful for visual learners, this presentation provides images of 10's and 1's cubes, to reinforce the concept of subtraction. Learners practice along with the teacher as 10's and 1's cubes are scratched off.
Curated OER
Calendar Art
Pupils assemble and decorate a calendar. This is a lesson to be used at the beginning of each month to make a calendar for the month. Math concepts for this lesson consist of each student writing numbers on the calendar.
Curated OER
Tangram Discovery
Students develop an understanding and enjoyment of math concepts and cultural awareness by working with tangrams.
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