Math

Factors & Multiples, Math

Try the sieve of Eratosthenes in your classroom! Sure, it’s a powerful prime number activity, but it also helps kids conceptualize patterns of multiples. This lesson is short but mighty.…

How to Teach Metric Conversions So Kids Get It

May 26, 2024

Math, Measurement

Wondering how to teach metric conversions? If you want kids to get it, scaffold from simplest to most complex. In fourth or fifth grade, begin with easy whole number conversions.…

Great Games for Comparing Numbers – and Ordering Them Too!

July 9, 2023

Looking for some great games for comparing numbers? Just grab some dice. When kids roll and rearrange the digits, they can compare and order in a fun way. (more…)

Teaching Rounding with a Number Line

July 2, 2023

Teaching rounding with a number line helps kids understand what it’s all about. The tactile experience lets them explore base-ten place value in a meaningful way. Before you ask your…

How to Write a Number in Expanded Form

June 25, 2023

Wondering how to write a number in expanded form? Just decompose it by place value. For example, 390,406 = 300,000 + 90,000 + 400 + 6. Let’s take a look…

Writing Rules for Numbers in Standard Form and Words

June 18, 2023

What are the writing rules for numbers in standard form and words? Basically, kids (and adults) must understand periods, or series of three numbers set off by commas. (more…)

Reading Big Numbers – How to Teach It

June 11, 2023

Reading big numbers in your classroom? Make it easy! Just tackle periods first. (more…)

Place Value Chart Printable and How to Use It

June 4, 2023

Looking for a place value chart that’s printable? Two versions let your kids work with numbers to the hundred thousands or hundred millions. And while you’re here, pick up some…

The Value of a Digit in a Number

May 28, 2023