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Instrucciones para el estudiante
1. Use the 
and circle the number you begin with (minuend) on the number chart. Use the 
tool to put the counter on that number to begin
2. Use the tool to build the number you're subtracting (subtrahend).
3. Use the tool to move the counter according to the tens and ones in that number.
4. Use the or 
to complete the number sentence.
Notas del maestro (no visibles para los estudiantes)
Pages 1-3 add up to 100 Pages 4-6 add up to 120 Pages 7-9 add up to 200
