by Kathy Richardson
Topic: Ten and Some More
Goal: To combine singledigit numbers by reorganizing them into a 10 and leftovers. To use their knowledge of the parts of numbers to 10 to subtract from numbers up to 20.
Critical Learning Phases:
 Describes a 10 as a single entity even though it is composed of 10 single objects
 Organizes numbers into groups of one 10 and leftovers
 Knows 10 plus any number from 1 to 10
 Tells how many needed to make 10
 Tells how many leftovers when removing 10 for numbers from 11 to 20
 Combines quantities by reorganizing into one 10 and leftovers
 Subtracts quantities by breaking numbers apart and recombining whatever is left
