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Illustrative Mathematics

Egyptian Fractions II

For Teachers 8th - 12th Standards
The Egyptians used unit fractions to describe all other fractions. Your class will rewrite rational expressions in order to deduce information about rational numbers. The activity starts with specific fractions, guides you through a few...
Lesson Plan
Illustrative Mathematics

Fishing Adventures 1

For Teachers 5th - 7th Standards
Often inequalities exist in many real-world contexts but young math learners struggle with understanding how to represent that relationship in a simple equation using an inequality. This activity focuses on the basic concepts by using...
Worksheet
Curated OER

Travel Time and Distance- Fractional Imperial Units

For Students 3rd - 5th
In this time and distance fractional units worksheet, students solve a set of 5 word problems using space provided on worksheet.
Worksheet
Curated OER

Relationship between Exterior and Remote Interior Angles in a Triangle

For Students 9th
In this triangle worksheet set, 9th graders find the relationship between the exterior and remote interior angles in triangles. They determine the formula, and apply it in 15 problems. They use a compass as needed to measure angles.
Worksheet
Curated OER

Triangles

For Students 10th
In this geometry worksheet, 10th graders solve problems involving triangular inequality. They apply the proofs and theorem of triangles to solve these problems. There is an overview and one question.
Worksheet
Curated OER

Pythagorean Theorem Homework

For Students 9th - 12th
In this Pythagorean Theorem worksheet, students solve 3 short answer problems. Students use the Pythagorean Theorem to find the length of a triangle's hypotenuse.
Worksheet
Curated OER

The Number Five

For Students K - 1st
In this recognizing the number 5 and the word five worksheet, students observe the eight pictures on the page and identify the set that is five. Students solve 1 problem.
Worksheet
Curated OER

Analogies Worksheet

For Students 6th - 8th
Interested in an easy analogies worksheet? Learners must find opposites, rhyming words, and homonyms. No  suggestions for how to solve the problems are included nor is there an answer key. Consider showing your pupils how to build...
Worksheet
Curated OER

Addition to Twenty

For Students 3rd - 5th
In this addition tool for creating a worksheet, learners problem solve and calculate the answers to twenty addition equations. Students show each step of their work.
Lesson Plan
Curated OER

Using 10 to Subtract

For Teachers 4th - 5th
In this using ten to subtract worksheet, students, with a partner, problem solve and calculate together the answers to five subtraction word problems.
Lesson Plan
Curated OER

Oddball Out: Pond Creatures

For Teachers 1st - 3rd
In this problem solving worksheet, students analyze a row of pictures of various pond creatures to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Animals

For Teachers 2nd - 4th
In this problem solving worksheet, students analyze a row of pictures of various animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Animals

For Teachers 2nd - 4th
In this problem solving worksheet, students analyze a row of pictures of various animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Sea Animals

For Teachers 3rd - 4th
In this problem solving worksheet, young scholars analyze a row of pictures of various animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Fish

For Teachers 4th - 7th
In this problem solving worksheet, students analyze a row of pictures of various fish to determine which creature is different from the others pictured. A bonus question asks students to identify which fish live in salt water but breed...
Lesson Plan
Curated OER

Oddball Out: Plants and Animals

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various plants and animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Animals

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Mammals

For Teachers 3rd - 5th
In this problem solving worksheet, learners analyze a row of pictures of various mammals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Plants and Animals

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various plants and animals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Birds

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various birds to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Birds

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various birds to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Waterfowl

For Teachers 3rd - 5th
In this problem solving worksheet, pupils analyze a row of pictures of various waterfowl to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Mammals

For Teachers 3rd - 5th
For this problem solving worksheet, students analyze a row of pictures of various mammals to determine which creature is different from the others pictured.
Lesson Plan
Curated OER

Oddball Out: Mammals

For Teachers 3rd - 5th
In this problem solving worksheet, students analyze a row of pictures of various mammals to determine which creature is different from the others pictured.