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Illustrative Mathematics

Identifying Multiples

For Teachers 3rd - 5th Standards
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
Lesson Plan
Curated OER

Fact Families

For Teachers K - 2nd
Students create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
Worksheet
Curated OER

Name For Numbers

For Students 2nd
In this same number facts worksheet, 2nd graders use either addition or subtraction to solve 8 math problems and then place the two math problems that match the numbers at the bottom of 4 trees on the lines provided.
Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Lesson Plan
Curated OER

Cold Hard Facts...What Inquiring Minds Will Know

For Teachers 7th - 12th
Students work with "ice" in order to gain a practical application of math concepts that evolve into an inquiry-based study. They determine if the dimensions of the ice make a difference in the way the ice floats in the water.
Worksheet
Curated OER

Subtraction 0 9

For Students 2nd - 3rd
In this subtraction 0 9 worksheet, students problem solve to find differences. In this fill in the blank worksheet, students write one hundred answers.
Worksheet
Curated OER

Math Fact Drill

For Students 4th - 6th
In this problem solving instructional activity, students find the missing number in 100 equations involving addition, subtraction, division and multiplication.
Lesson Plan
Curated OER

Leaves for Our Tree

For Teachers 2nd
Young mathematicians review fact families and create a Math Fact Family Tree. This clever lesson plan includes some excellent printouts that support the instructional activity.
Lesson Plan
Curated OER

How to Subtract to 10

For Teachers K - 3rd
Students subtract to 10 through the use of manipulatives. They will use craft sicks and the fact family on their practice pages. They examine how subtracting one always uses the larger number first.
Lesson Plan
Curated OER

Number Line Locomotion

For Teachers K - 2nd
Here is a great lesson that incorporates movement into academic learning. Pupils improve addition subtraction skills by using number lines and locomotor movement.
Worksheet
Math Worksheets Land

Add and Subtract within 100- Guided Lesson

For Students K - 2nd Standards
Word problems are the name of the game here, and each one comes with an image to help learners visualize the math operation. Careful, though; the visual for the first scenario is confusing. The problem gives a total number of sports...
Worksheet
Curated OER

Add and Subtract within 100- Matching Worksheet

For Students 1st - 3rd
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
Lesson Plan
Curated OER

Fact Families to 18

For Teachers 3rd - 4th
In this fact families to eighteen worksheet, young scholars problem solve six word problems associated with fact families to eighteen.
Worksheet
EdHelper

Subtraction

For Students 1st
For this subtraction worksheet, 1st graders use the number line to help them find the missing number in the single digit subtraction equations. Students solve 25 problems.
Lesson Plan
Curated OER

Let's Learn the Flu Facts

For Teachers 1st - 3rd
Students examine the difference between a cold and the flu. They discuss the symptoms of colds and flu, complete a cloze activity, and discuss how to stay healthy.
Lesson Plan
Curated OER

Mathville 1

For Teachers 1st
In this addition and subtraction worksheet, 1st graders add fifteen pairs of numbers between one and ten. They subtract on five problems. Three subtraction problems require regrouping.
Lesson Plan
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American Chemical Society

Density: Sink and Float for Liquids

For Students 6th - 8th Standards
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
Lesson Plan
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Science 4 Inquiry

Let's Get Moving

For Teachers 6th - 8th Standards
Rivers top the list of causes of erosion over time. Scholars experiment with wind, water, and ice reshaping sand. They connect the simulations facts about erosion and deposition to understand unique landforms such as the Grand Canyon and...
Worksheet
Curated OER

Subtraction Practice Series 3a (2 Digits Without Regrouping)

For Students 1st - 2nd
In this math instructional activity, learners solve 30 problems in which 2 digit numbers are subtracted from 2 digit numbers. There is no regrouping on the page.
Lesson Plan
Curated OER

Combining Foods

For Teachers Pre-K - 2nd
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
Worksheet
Curated OER

Take Away From 10

For Students K - 1st
In this subtract from ten worksheet students take away single digit numbers from ten to solve 20 equations with a fill in the blank sum.
Worksheet
Curated OER

Dinosaur Addition

For Students Pre-K - 1st
In this math with counters worksheet, students use their math skills to solve the 3 problems that require them to add with 1 digit numbers.
Lesson Plan
Curated OER

Subtraction Shopping

For Teachers 3rd - 5th
Students subtract two digit numbers. They check each other's answers for accuracy.
Worksheet
Curated OER

Subtracting 3 and 4

For Students 1st - 2nd
In this math worksheet, students solve 30 problems in which the numbers 3 or 4 are subtracted from numbers below 20. Examples are written in a vertical format.

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