Curated OER
Number Bonds to 20
Showcase all the different ways one can pair numbers, resulting in an answer of 20. Cute images such as, a cup and water, tennis racket and ball, and a soccer ball and net help kids make the addition connection. This is a great...
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Reading and Writing Numbers
Reading and writing numbers is thoroughly covered in this well done slide-show presentation. Learners will see how number and number words correlate in relation to place value. The slide-show is text heavy and could use more visual aids...
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Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
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Making 10 with animals
Count the animals in each group and add to make the number 10. This slide show provides learners with the opportunity to see how many different way they can count on to make 10. Cute animals and large exciting number make this a great...
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Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
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Subtraction with Regrouping
Use this handy presentation to clear up any confusion related to subtraction with regrouping. Each slide provides concrete examples of what occurs when one subtracts with regrouping. A full explanation and additional example problems...
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Basic Addition
Introduce addition to your class with this handy and well-thought-out presentation. Addition is defined and then shown in four different examples. Images, a story problem, numeric, and number line variations of the same problem are all...
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Subtraction: Take away and find the difference
Subtraction, take away, and compare the difference are the topics of this comprehensive presentation. Budding mathematicians will count balls, then watch as they are taken away. They will then view two sets of balls and compare the...
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Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
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How to Draw an Angle
How do you draw an angle? Dispel the confusion with this step-by-step teaching tool. Seven steps to angle drawing are shown in a simple format. While these steps are easy to follow, no explanation of how this process works is included.
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Simple Repeated Addition
Here are five very cute and very basic examples of repeated addition. Little ones will count bunny ears, five pieces, crayons, and donkey legs in order to gain valuable repeated addition practice prior to learning about multiplication....
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Complete the Scale
Here are six opportunities for learners to complete the scale. Each slide contains a number line or scale which is missing 1-2 numbers, the class must identify the missing number and put it in its proper place.
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Two-Digit Addition
In need of a few good problems for the class to solve every morning? Each of the eight slides contain six double-digit addition problems which would be perfect as a morning math warm-up, skills and drills practice, or to be completed as...
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Multiplication Review
Review the various ways we multiply. Multiplication is presented as repeated addition, equal groups, and in an array. This is a quick way to go over what we do when we multiply and may be a good tool for a beginning of the year review.
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Place Value Review
Review various aspects related to place value with this easy-to-follow presentation. Learners can review the base ten system, see representations, and read descriptions of ones, tens, hundreds, and thousands, and numbers in expanded...
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Who wants to win millions: Multiplication Edition
Test your class with this Jeopardy Game. They will race for the buzzer to answer these simple multiplication problems and equations. A great way to foster automaticity.
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Perimeter
Introduce the concepts and skills needed to find perimeter. The slide show includes the definition of perimeter, five examples, and a link to an interactive web page.
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ONES and TENS
Before you can teach place value or regroup, you need to provide students with a concrete idea of the definition of ones and tens. Here, ones and tens are defined and then shown several different ways in order to represent several...