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Grade 1 (ages 6 to 7) · Math

Tens and ones

Bundling into tens, partitioning two-digit numbers, and what each digit means

About three to four lessons of 35 to 45 minutes

Chalk illustration of base-ten rods and single ones arranged into two clear groups.
Tens and ones: A concrete place-value image for composing and decomposing two-digit numbers.
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