Number Line Treasure Dive

Tap the number line to dive to the right spot and grab treasure: whole numbers, fractions, decimals, negatives and square roots on lines with changing scales.

Grades 3–8Treasure dive1–6 players or teamsNo student loginsWorks offline

$5Buy Number Line Treasure Dive ▶ Play the free demo

Try it free with your class: the demo runs right in your browser for 8 questions. No sign-up needed.

Or get every game, including all future games, with the All-Access Teacher License for $150.

Screenshot of Number Line Treasure Dive in the middle of a game

What students practice

Whole numbers, fractions and mixed numbers, decimals to thousandths, negative numbers, absolute value and moves on the number line, comparing rational numbers, square roots and irrational numbers

Standards

OAS 3.N.1.1 · 3.N.3.4 · 4.N.3.2 · 4.N.3.8–9 · 5.N.1.1 · 5.N.1.3 · 6.N.1.1–2 · 7.N.1.1 · 7.N.1.3 · PA.N.1.4

Common Core: 3.NF.A.2 · 3.NF.A.3a · 4.NF.A.2 · 4.NF.C.6–7 · 5.NBT.A.3 · 6.NS.C.6 · 6.NS.C.6c · 6.NS.C.7a · 7.NS.A.1 · 7.NS.A.1b · 8.NS.A.2 · 8.EE.A.2

How it works

Open the game file in any web browser: Chromebooks, laptops or your smartboard. No accounts, no student logins and no internet needed once it's downloaded.
Enter the players or teams, then press Start.
Students take turns on one shared screen, so the whole class can play together on a projector or smartboard.
Each purchase includes the game file and a one-page Quick Start guide.