Free Fall-Themed 2nd Grade Worksheet: Owl Egg Mystery Free Fall-Themed 2nd Grade Worksheet: Owl Egg Mystery

Free Fall-Themed 2nd Grade Worksheet: Owl Egg Mystery

By Raphael Kohlberg

The friendly neighbor owls' eggs are all scrambled! In this 2nd grade worksheet, students solve equations and use the clues to find out which egg belongs to which owl!

Photo By: The Enlightened Elephant

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Repeating Decimal Lesson Plan: You've Never Seen a Better Explanation Repeating Decimal Lesson Plan: You've Never Seen a Better Explanation

Repeating Decimal Lesson Plan: You've Never Seen a Better Explanation

By Raphael Kohlberg

As teachers, we all know that 1/3 = .33 repeating. But why is that the case? This lesson gives your students the opportunity to discover for themselves why decimals equal their fractional representation.

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Best Way to Teach Subtraction with Regrouping | 24 - 8 Best Way to Teach Subtraction with Regrouping | 24 - 8

Best Way to Teach Subtraction with Regrouping | 24 - 8

By Raphael Kohlberg

The written algorithm of subtraction with regrouping can be pretty confusing to teach and to learn. What does crossing out the number mean? Carrying the one?

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Base Ten Blocks: Digi-Block vs Other Base-10 Blocks Base Ten Blocks: Digi-Block vs Other Base-10 Blocks

Base Ten Blocks: Digi-Block vs Other Base-10 Blocks

By Raphael Kohlberg

We believe Digi-Block is the best base-10 math manipulative. See how Digi-Block stacks up against the leading base-10 block.

Photo By: Number cubes / Jimmie / CC BY 2.0

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Decimal Lesson Plan: The Best Introduction You Can Teach Decimal Lesson Plan: The Best Introduction You Can Teach

Decimal Lesson Plan: The Best Introduction You Can Teach

By Raphael Kohlberg

This interactive decimal lesson plan allows students to visualize and manipulate decimals, using their critical thinking skills to achieve understanding.

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Multiplying by 10: Why you can 'just add zero' Multiplying by 10: Why you can 'just add zero'

Multiplying by 10: Why you can 'just add zero'

By Raphael Kohlberg

Multiplying by ten has a simple trick: just add zero. This lesson visually shows students why adding a zero works.

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How to Teach Infinity to Kids: Top 5 Lessons How to Teach Infinity to Kids: Top 5 Lessons

How to Teach Infinity to Kids: Top 5 Lessons

By Raphael Kohlberg

Top 5 games and activites for teaching your students the concept of infinity.

Photo By: Mommy, You're Going To Be My Wife One Day, Right? / Lotus Carroll / CC BY 2.0

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Life without Base Ten is a mess! Life without Base Ten is a mess!

Life without Base Ten is a mess!

By Raphael Kohlberg

Base Ten allows us to think about quantities large or small in an organized way. It helps us understand the magnitude of a number and lets us efficiently do operations.

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The Decimal Point: How a 7-year-old Invented Something Better The Decimal Point: How a 7-year-old Invented Something Better

The Decimal Point: How a 7-year-old Invented Something Better

By Raphael Kohlberg

The decimal point baffles many children. They often don’t know what it’s for and what the numbers that follow it represent. It doesn’t have to be this way!

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