Teaching Resources :: 25

Curated OER

Rolling Number Sentences

For Teachers K

Budding mathematicians investigate how to write number sentences using the Roll-the-Dice tool in "Kid Pix". They correlate the dots on the dice to numbers and then learn to use the addition and equal symbols to write number sentences....

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Curated OER

Multiplication Magic

For Teachers 4th - 5th

Investigate multiplication problem solving strategies by working with base 10 blocks. Learners decompose problems with a Merlin the Magician theme. Multiple resources are provided.

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Illustrative Mathematics

Make 9

For Teachers Pre-K - 1st Standards

Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...

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Illustrative Mathematics

A Bobbie Bear's Buttons

For Teachers Pre-K - 1st Standards

Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...

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Curated OER

Decomposing Numbers Step-By-Step

For Students 1st - 2nd

Here are two addition-related exercises. However, bear in mind, the explanations are featured below each of them. Use this as an all-class warm up, revealing the explanations if and when you see fit. First, examine the four sets of...

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Curated OER

Decomposition, Numbers, and Subtraction

For Teachers 2nd - 3rd

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.

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Curated OER

M & M Addition

For Teachers K - 1st

Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...

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Student Achievement Partners

Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]

For Teachers K - 1st Standards

Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.

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Better Lesson

Better Lesson: Ways to Make 10 a Lesson on Decomposing

For Teachers K - 1st Standards

Learners will learn what it means to represent a number in different ways and will begin to explore decomposing numbers. Included is a detailed lesson plan, link to an online game, worksheet, center ideas, and a "Ways to Make 10" chart.

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NumberNut

Number Nut: Subtraction: Two Digit Subtraction With Borrowing

For Students Pre-K - 1st Standards

A quiz for practicing subtraction with two-digit numbers where there is regrouping.

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NumberNut

Number Nut: Subtraction: Three Digit Subtraction With Borrowing

For Students 3rd - 5th

A quiz for practicing subtraction with three-digit numbers where there is regrouping.

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