Base-ten blocks
Free 1st grade math practice · Common Core 1.NBT.B.2 · no ads, no sign-up
What kids practice: Two-digit numbers are tens and ones. Questions come at 5 levels and adjust as your child plays: three right in a row move up a level, and two misses in a row make them easier.
Try a question
What number do the blocks show?
Play “Base-ten blocks” in a game
🖨️ Printable worksheet, with an answer key →Where it fits in 1st grade
Part of Tens and ones, in the order schools usually teach 1st grade math.
- ← Before: Measure with cubes
- Next: 10 more, 10 less →
For parents and teachers
agarwalmath is free, with no ads and no chat, and kids use a made-up nickname, never their real name. Questions are read out loud for young kids. Make a free profile to save progress on every device and see it by Common Core standard: Parents & teachers. Teachers can assign this lesson to a class: Teachers' Guide.