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Grade 1 Math · Level 3, Place Value to 120

Understand Tens and Ones

How the lesson starts: Understand Tens and Ones

1. Lulu's eggs

   Good morning! Farmer Lulu's hens laid lots of eggs. Cluck, cluck! Lulu packs 10 eggs in each carton. Let's count tens and ones with Lulu!

2. A carton is a ten

   Lulu fills a carton. 10 eggs! That's 1 ten. She fills one more. 2 tens. 3 eggs are left over. Those are ones. 2 tens and 3 ones!

3. Count tens and ones

   Here are eggs as blocks. Count the rods. 5 rods, so 5 tens. Count the cubes. 8 cubes, so 8 ones. Put 5 in Tens. Put 8 in Ones. Watch out! Don't swap them.