Use this support lesson to provide students with the opportunity to explore what it means to estimate. This hands on activity can be used alone or alongside the lesson Estimating Length.

This lesson helps students review rounding to the nearest hundred. Your students will practice rounding using manipulatives.

It's rounding time. Help young mathematicians learn to round to the nearest ten and hundred with this teacher-approved lesson.

Give your students a head start in rounding with this fun lesson that gives them an easy trick to help them learn if they should round up or down to the nearest 10.

Help your students understand rounding without rhymes or tricks. Students will use an open number line to round and then take part in a fun game that will get them moving around the room.

Your students will feel confident in their rounding abilities after this lesson that has them learn how to round numbers to the nearest ten both individually and with a group.

Looking closely at pumpkins is a good way to incorporate math, specifically estimation and counting. This lesson can be messy and requires some clean up, but kids love it!

Looking closely at pumpkins is a good way to incorporate math, specifically estimation and counting. This lesson can be messy and requires some clean up, but kids love it!

A line, an arrow, and a simple rule are all that separate students from rounding success. This lesson will give young mathematicians an engaging overview of place values and rounding.

Build your students' number sense regarding place value by facilitating discussion! Use this as a stand alone lesson or alongside What is My Place Value?

Help your students learn how long a minute is with this lesson that shows them how the length of a minute can appear to change depending on the activity, all while putting their time estimation skills to the test.

Get your students moving as they learn how to round whole numbers. In this lesson your students will use number lines and kinesthetic movement to practice rounding numbers to the nearest ten or hundred.

Master rounding and estimating skills by having students challenge their classmates in the Make a Big Difference game. Roll three dice two times to arrive at two three-digit numbers. The largest difference wins!

Get your students explaining estimations and measurements of liquid volumes and masses of objects! Use this lesson independently or alongside Estimating Measurements of Mass and Volume Using Metric Units.

Don't throw away all of those extra copies of your book order forms! They make great springboards for math lessons. This lesson integrates them into activities designed to help young learners with money math.

Students participate in a classroom scavenger hunt with a partner to measure common classroom objects using a ruler.

It’s time to explore meters! In this lesson, students dive into measuring using meters, learning how to use meter sticks and estimate length in meters.

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.

Advance your students from relative measurements to learning about standardized units with this lesson that teaches them about inches and feet by using common classroom objects.

Show your students how long one minute is. Use a story and activities to help them gain a better understanding of time.

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.

It's about time to learn about time! Your students will interact with a class made clock and roll the dice to 'make up' a time. But they better know their hour and minute hands apart to find success in this lesson!