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Grade 1
GradesGrade 1Base Ten Operations

Base Ten Operations

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Base Ten Operations

Count to 120, understand tens and ones, and add two-digit numbers.

1
đŸ’¯Counting to 120

We already know 100 — now let's keep going all the way to 120!

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2
🐰Skip Counting by 2s and 5s

Skip counting is like hopping over numbers — count 2 at a time or 5 at a time!

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3
đŸ—ī¸Understanding Tens and Ones

Every two-digit number is built from tens and ones — like building blocks!

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4
➕Adding Within 100

Add a two-digit number and a one-digit number — tens stay, ones change!

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5
âš–ī¸Comparing Numbers with < and >

The symbols < and > tell us which number is bigger and which is smaller!

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