Unit Plan
Curated OER

Curriculum Links To Numeracy

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Unit Plan
Curated OER

Olympic Games - Can You Measure Up?

For Teachers 5th - 6th
Students complete 6 units to learn about Ancient Greece and the Olympic games through physical education activities as well as math activities. In this Ancient Greece lesson, students complete multiple activities in 6 lessons including...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Multiple One Digit Numbers Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to add multiple 1-digit numbers from a word problem. The video is followed by additional practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Addition Sums to 100 Word Problems

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit addition word problem. The video is followed by a series of practice questions to assess student comprehension of the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a 2-digit addition problem without regrouping. The video is followed by practice problems.
Unit Plan
Khan Academy

Khan Academy: Regroup When Adding 1 Digit Numbers

For Students K - 1st
Practice adding numbers like 45+8. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Correct Addition Sentence

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which single digit addition problem has a sum of the given value. The video is followed by additional problems for students to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Selecting the Incorrect Addition Sentence

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which single digit addition problem does not have a sum of the given value. The video is followed by additional problems for...
Unit Plan
Khan Academy

Khan Academy: Adding Negative Numbers

For Students 6th - 8th
Practice adding positive and negative single-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Multiple One Digit Numbers With Pictures

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to find the sum of 3, 1-digit numbers. A picture to model the problem is displayed in the video. Following the video is additional practice...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Three 2 Digit Numbers

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to add 3, two-digit numbers followed by additional practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Filling in the Missing or Sign Numbers to 100

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video works through 2-digit addition and subtraction problems to determine which number sentence coincides with the given value. The video is followed by...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Llama Farm: Addition and Subtraction: Counting Forwards and Backwards

For Students 1st
On this interactive site students learn to write 2-digit numbers, count forward and backward by tens and show subtraction facts.
Unit Plan
Khan Academy

Khan Academy: Practice: Adding Negative Numbers

For Students 5th - 6th Standards
Practice adding one-digit positive and negative numbers.
Unit Plan
Khan Academy

Khan Academy: Add Within 100

For Students 1st - 3rd Standards
Practice adding two-digit numbers. All numbers in these problems are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding 3 Numbers Word Problems

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] This mathematics resource begins with a video tutorial working through a word problem adding 3 whole numbers. It also includes adaptive practice questions for adding...
Unit Plan
Saddleback College

Algebra2go: Digits and Place Value: Part 1 Problem Sets

For Students K - 1st
Select a problem set, then use your mouse or tab key to select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding, Subtracting, and Multiplying With Parentheses

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A learning module where students apply the order of operations to solve equations involving addition, subtraction, and multiplication of multi-digit numbers, as well...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Power of Ten

For Students 3rd - 6th Standards
This website from The Math Page explains and defines basic arithmetic terms and place value concepts. There is even a practice section at the very end of the lesson.

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