First Week of School Math Activities for 3rd Grade

A white classroom shelf of colorful plastic bins holding math manipulatives and games, with hand-labeled bins for pattern blocks, snap cubes, dominoes and tangrams.
Photo by Far Chinberdiev on Unsplash

Third graders arrive in September in a very particular condition. They are proud, because 3rd grade is famously the big-kid grade, the one with multiplication and cursive and, they have heard, actual hard tests. They are also, mathematically speaking, 2nd graders. Whatever the calendar says, the child in seat four currently owns 2nd grade skills minus a summer, and the summer took a real bite.

The first week of math has to work with both of those facts at once. Feed the pride, respect the actual skill level, and use the week to set up the two things the rest of the year runs on: routines and information. Here is a day-by-day shape that does all four jobs, with the reasoning attached so you can bend it to your own room.

What the first week is actually for

It is not for teaching multiplication. That is the mistake hiding inside the pride: 3rd graders want the famous new content immediately, and it is tempting to give it to them in week one while their enthusiasm is at its annual peak. Resist.

In week one you do not yet know who can add, the routines that multiplication lessons will depend on do not exist yet, and the schedule is a Swiss cheese of assemblies, picture day, and fire drills. A concept introduced into that environment gets learned badly by half the class, and you will pay the debt in October.

The first week of math is for three humbler things: math happening every day at a level everyone can win at, the routines of your math block being installed while the content is easy enough to spare the attention, and you finding out what actually survived the summer. Review, routines, reconnaissance. The famous content starts in week two, on solid ground.

Monday: math happens on day one

The strongest signal you can send on the first day is that math is a daily, normal, doable thing in this room. Keep it short and keep it winnable: a page of 2nd grade material, the friendly end of it, addition within 100, some counting patterns, a bit of money. Every child should leave day one having finished math and been fine at it.

While they work, you do your real job: watch how the room does independent work. Who starts without being told twice, who needs the directions re-read, who finishes in six minutes. You are not assessing math yet. You are assessing the class you got.

Use the last five minutes to install routine number one, the one everything else depends on: what we do when the page is done. Teach it explicitly, like a procedure, because it is one. In this room, done means check it, then flip it and keep going on the extra side, or read. Done never means announce it.

Tuesday and Wednesday: review with the routines bolted on

The middle of the week is 2nd grade review with a little more spine: addition and subtraction with regrouping, place value to hundreds, time and measurement. Real work, below the frustration line, because the point of these two days is that the work is familiar enough for attention to go to how the block runs.

Install one routine per day, no more. Tuesday, teach how math class starts: materials out, name on the page, begin without waiting to be told, and run it twice so it counts as taught.

Wednesday, teach what a question sounds like in math class: try, whisper-ask your shoulder partner, then hand up, in that order. Two days, two routines, both practiced against easy content. By Thursday your math block starts itself and questions arrive in an orderly queue, which is exactly the infrastructure a multiplication unit will need next week.

A note on the seductive alternative: the all-games, all-icebreakers first week. One math game is a fine Friday. A week of novelty teaches the class that math period is where fun things happen and work does not, and then week two has to renegotiate the deal. The kinder version of fun is work everyone can win at, which 2nd grade review, this week only, conveniently is.

Thursday: the quiet skills check

By Thursday the room can do independent work on cue, which means Thursday is the day to collect the information the whole first month of planning depends on: what did the summer leave behind?

Give a short assessment of last year’s skills, one sitting, organized into labeled sections, a few items per skill, addition and subtraction with and without regrouping, place value, the early equal-groups thinking that multiplication will stand on, time, money. Say the honest thing out loud: this is not for a grade, it is for me, skip what you have never seen. Then read it by section, not by score, and sort the class into solid, shaky, and missing for each skill.

This one class period is the difference between planning October from data and planning it from a hunch. The full argument for why the check should cover last year’s standards and skip the grade book is its own post, and the ready-made version for incoming 3rd graders is in the cards below. The whole family of these, one per grade, lives on the starting-a-new-grade page.

Friday: finish the week like it went well

Friday is for consolidation and for ending on a deliberate note. A lighter mixed page, that one math game if you want it, and five minutes of naming what is now true: in this room math happens every day, we know how it starts, we know what done means, and next week, multiplication. Watch the room sit up at that last word. The pride is a resource; you have spent the week earning the right to use it.

The version where you do not build any of this

Everything above requires about a week’s worth of 2nd grade review pages plus a skills check, none of it hard to make and all of it time you may not have in the week before the buses start running. The done-for-you route: a first-week packet of review at the right level, printed Friday before school starts, plus the going-into-3rd assessment for Thursday. Copies, not curriculum design, become your back-to-school job. The back-to-school page has the whole shelf, including packets for the other grades if your teammates ask, and they will.

However you source the pages, hold the line on the plan itself: review they can win at, one routine per day, reconnaissance by Thursday, multiplication next week on ground you have personally checked. The 3rd graders arrive believing this is the big-kid grade. By Friday afternoon, quietly and without a single new concept taught, you will have made it one.