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Elementary Mathematics

Lesson 85

Divide Two-Digit Numbers

Tens first, then ones

Divide two-digit numbers

48 counters are shared among 4: each gets 12.

Divide two-digit numbers

48 ÷ 4 = 12: 4 tens ÷ 4 = 1 ten, 8 ones ÷ 4 = 2
Divide two-digit numbers.
Teacher controls

Conceptual model: a simplified teaching picture.

Controls
Share 48 counters among four students.

48 ÷ 4 = ?

Share the tens, then the ones: each share is 1 ten and 2 ones.