Common Core math · 2nd grade

2.NBT.A.1 games

Understand three-digit numbers as hundreds, tens and ones.

2.NBT.A.1 is part of the Common Core State Standards for Mathematics. Hundreds Hill practices it. Standards vary by state, so check with your kid’s teacher for the exact match.

The game

Hundreds Hill Place value to 1,000: blocks, expanded form, comparing, counting by 10s and 100s2nd grade

Hundreds Hill: On a mountain trail, kids read and build three-digit numbers with hundreds flats, tens rods and ones cubes. They write numbers in expanded form (300 + 40 + 6), say what a digit is worth, compare numbers and count by 5s, 10s and 100s.

Practice it at home

Use dollars, dimes and pennies as hundreds, tens and ones: show 3 dollars, 4 dimes and 2 pennies and ask what number that is.