Grade 2 · Number Line Addition & Subtraction
Build the change with jumps of ten and one.
Current stop: 17 · Jumps: 0/6
Choose jumps of ten and one, then launch the cart.
Two-digit addition and subtraction can be broken into tens and ones jumps. Positive jumps move right and negative jumps move left.
For 46 − 23, move back 20 to 26, then back 3 to 23.
The signed jumps must total the requested change, not the starting value.
A free Grade 2 math game for practicing add & subtract within 100 on a number line. No account or download is needed.
Learning area: Adding & subtracting · Number Line Operations.
Difficulty: 2 · Practice within Grade 2. Apply a skill with more choices, larger numbers or extra steps.
Next in this learning areaSum Stack Airship3 · ChallengeRead a two-digit addition or subtraction equation. Build an efficient route with signed jumps of ten and one, then launch the cart and check its landing number.
Choose an activity that fits your learner. Grade labels are a guide; adults can help with the instructions.
