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The Brown Bag Teacher

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Place Value: 1st Grade Centers

1st grade math is hands-on, game-based, and fun. But underneath all of that energy, it’s also where students first learn to trust structure. Place value is often the first time students are asked to see ten as a unit instead of ten separate ones, and that shift changes everything.
Using a guided math model, it allows the freedom for me to tailor lessons to each of my learners. We’ve started learning about place value and I wanted to share some of the games, centers, and mini-lessons I reach for when students are still learning to trust tens and ones. Even after our Place Value unit ends, these centers will spiral review our learning throughout the year!

Place Value in 1st

In first grade, place value often looks solid on paper before it’s solid in thinking. Students may know tens and ones, but still rely on counting by ones to feel sure. When that happens, it’s usually not a practice issue — it’s a structure issue.

That’s why place value centers matter. Not because students need more activities, but because they need repeated opportunities to build, see, and reason with tens as units. The place value centers shared below are designed to help students trust structure instead of recounting, using familiar materials and routines that can be revisited again and again. You don’t need to use all of them at once — choose what fits the problem you’re seeing.

Place value early in the year can feel heavy. Students may know how to count, but recognizing ten ones as a single unit is a new way of thinking. Last year, we didn’t teach this unit until February but with changes in District Common Assessments, we are teaching it in August/September. In Kindergarten the Common Core asks students to work to 10 but they never recognize 10 ones as a single unit. So, entering 1st grade, this is a significant shift in how students are asked to think about numbers. So, before launching our Place Value unit, our 1st grade team did slip-in some work with the 120s chart. (You can read more about that here.)

Making Place Value Hands-On

Our first week in Place Value was all about hands-on manipulatives. This was my students’ first experience with rods and pieces, so it was a mess. Students had the chance to explore and play. Yes, those are pieces everywhere and yes that is a house. #firstgradeyall  After exploring the base ten pieces, we compared rods and ones. After many, many, many lines of pieces, we discovered that ten pieces/ones were the same as a rod/ten! This early work wasn’t about speed or accuracy. It was about helping students see ten as something that could stay together while they thought. That idea — that ten can stay intact — is what allows students to move beyond counting by ones later in the year.
We also rocked it old-school with our classroom abacus. My students see a “number rack” on DreamBox (a district math program) but I had never taught using one. Friends, MIND BLOWING! The shift from counting every bead to using full rows was one of the clearest examples of structure taking over.
It has been the best manipulative for hands-on ways of learning for number sense. We’ve been making numbers (initially counting one bead at a time and then, eventually making the transition to tens/rows) and counting numbers like whoa! It’s been so fun to watch friends go from moving 99 beads to one side to decide to shake all 100 beads to one side and then moving one over. Learning to rely on structure instead of counting every bead started to become important to us!
Continuing to making numbers, we have pulled out our Place Value spinners. Groups have been spinning base-ten pieces, making the pieces, identifying the numbers, and breaking the numbers into tens and ones. This worked especially well for students who could name tens and ones but still wanted to recount everything to feel sure.
We also loved using Fun in First’s ‘Perfect Partner’ cards to play Stand Up, Hand Up, Pair Up. It’s one of our favorite Kagan Structures and it’s a perfect way to assign new names for the day! (Read more about Stand Up, Hand Up, Pair Up here and read more about Name Changes here)
Pulling out our 100’s chart, we love playing “I’m Thinking of a Number” This is a perfect hands-on way to get students thinking of numbers in a group. I start the activity saying “I’m thinking of a number that has 6 tens and some ones.” The student who finds my number then challenges the group to find his/her own number. Students keep whiteboards in their laps and draw/write each number as we find it on the floor chart!
We’ve also been rolling, building, and naming numbers. My lowest group of friends has been rolling, making, and naming numbers. My on-level group has also been identifying the tens and ones in each numbers, and my above-level group is using place value in the hundreds. Across all groups, the focus stayed on naming the tens first and letting structure do the work before counting.

Reinforcing Ten As a Benchmark

The 120’s chart is also a great tool for practicing number sense, place value, and expanded form. When students place numbers on the 120’s chart, they are learning to notice patterns on the 120s chart. Throughout the first semester, this is a continuous center in our math rotations. As students become more confident noticing patterns in the chart (many times it initially takes 25-30 minutes to complete the chart, while only 10-12 minutes when they have mastered the patterns/skill). Students ‘level-up’ as they work with the chart.

Initially I only use the number cards (1-120) for all 3 of my math groups. Students pull a number and then, place it in its home. Many students will individually count each square on the 120s chart until they find the desired home. Eventually, students will discover strategies for finding the number’s home – counting by tens, noticing the number’s relationship to other numbers in the 120s chart, etc. The 120 chart reinforces ten as a benchmark. Students begin to see that every new row represents another full ten, which strengthens their base-ten thinking in a visual way.

After students are successful using the number cards, I introduce the Place Value cards. These place value cards are perfect for practice counting tens and ones. Next, I introduce the tens/ones cards for the numbers (1 ten 8 ones). Finally, students use the expanded form of each number to place it on the chart (30 + 8).

Ordering and Comparing Numbers

Throughout the unit, we have also been comparing and ordering numbers (more on this later). My friends seemed to fly through comparing numbers but really struggled ordering numbers least-to-greatest and greatest-to-least. To help scaffold some of my most struggling learners, We pulled out the 120s chart and the EXPO markers. Students pulled 4 numbers from a bag (we initially started with 2) circling them on the 120s chart. Then, students drew the base-ten pieces and finally, we ordered the numbers. Coupling the chart with the base-ten drawings, it seemed like the just-right intervention. Pairing visual structure with comparison helped students rely less on counting and more on what the tens were telling them. When students trust the tens, ordering numbers becomes reasoning work instead of a counting task.

Structured, Intentional Place Value Practice

Because this work needs to be revisited consistently, I’ve been building place value centers and games that keep the focus on structure. These routines are designed to help students build numbers, compare numbers, and reason with tens and ones without defaulting to recounting.

The goal isn’t more practice. It’s better practice. Centers that protect the thinking instead of replacing it.

Capping off our unit, Sgt. W visited our classroom for Place Value Bootcamp. PVB is a high-energy content-filled day. You can read more about Bootcamp here. If you have a day, it’s completely worth it!

Place value sticks best when students return to familiar routines with new numbers instead of constantly moving on to something new. When structure is consistent, confidence follows. 

I would love to hear what your go-to Place Value centers and mini-lessons are. I’m always looking for spiral-review centers and would love to hear what works for your friends! Until then, sign-up here for Guided Math ideas and freebies to land in your inbox every month. Happy teaching, friends.

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Comments

  3. Karen Van Fossen says

    Hi, Thanks for all of the ideas. I was moved from K to 1st this year and sometimes its like my 1st year all over a gain (15 years later). We are just finishing Numbers and Operations and will be starting Place Value on Monday. Do you do mainly whole group or small groups or both for math? Thanks for sharing. Karen

  4. Toya says

    Hello Catherine, I was doing some research the other day and came across your site, wonderful by the way. I realize that you no longer teach 5th grade at this time; however, I would like to know how you used socrative to set up your center work. I purchase many of the centers you used in your literacy centers for big kids post and want to know how i can hold my students accountable for their center work. Any information given would be great thanks