2.NBT.A.1 games
Play Place Value ForgeCommon Core 2.NBT.A.1 · Grade 2 · Number & Operations in Base Ten
Understand that the digits of a three-digit number stand for hundreds, tens and ones.
13 free games that practise it — no ads, no sign-up, no student accounts. Easiest first. Each game has a Use in class menu to share it to Google Classroom or Teams.
Best match
- Place Value ForgeGrades 2–4Stack color-coded base-ten blocks into ones, tens and hundreds silos to forge target numbers. Build numbers, read the silos, and regroup ten of one place into one of the next.Play
- Place-Value CentipedeGrades 2–4Aim your blaster at the digit segment in the right place and fire — a blasted digit becomes a 0 mushroom that holds its place, so 347 turns into 307.Play
- Place Value Blocks BayGrades 1–2Build a two-digit number from tens-rods and ones-cubes — the pile of blocks is the number.Play
Also practises it
- Place Value PortGrades 2–4The crane lights one container on the pier — what is that digit really worth?Play
- Expanded Form ExpressGrades 2–4Break a number into its place-value parts (342 = 300 + 40 + 2) — or build it back.Play
- Number Line NavigatorGrades 2–4Pilot a probe along the number line: glide it to an exact value, and round numbers by parking on the nearest ten or hundred — the line shows which landmark is closer.Play
- Column CrunchGrades 2–4Stack the numbers and crunch them one column at a time — ones, tens, hundreds — carrying and borrowing across the line to build each answer digit.Play
- Greatest Least LabGrades 2–4A scramble of number tiles and one rule — tap them in order, smallest-first or biggest-first, and watch the lineup build.Play
- Hundred Chart HuntGrades 1–3Slide a marker around the 1–100 chart — down is 10 more, across is 1 more — to hunt down the number.Play
- Number DetectiveGrades 2–4Clues arrive one at a time — stamp out every number each clue rules out until a single suspect remains, then make the arrest.Play
- More Less MeadowGrades 1–2Tap a cube for one and a rod for ten to build one-more, one-less, ten-more, and ten-less with base-ten blocks.Play
- Number Word MatchGrades 1–2Read a number's written word and match it to the numeral — or build a number from its tens and ones words.Play
- Regroup RallyGrades 2–4Subtract big numbers column by column — borrow a ten when the top digit is too small.Play
More grade 2 standards: 2.OA.B.2 · 2.NBT.A.2 · 2.MD.C.8
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