Performance Indicator - MST3.1.N.1:
Students count the items in a collection and know the last counting word tells how many items are in the collection (1 to 100).

Performance Indicator - MST3.1.N.2:
Students count out (produce) a collection of a specified size (10 to 100 items), using groups of ten.

Performance Indicator - MST3.1.N.3:
Students quickly see and label with a number, collections of 1 to 10.

Performance Indicator - MST3.1.N.4:
Students count by ones up to 100.

Performance Indicator - MST3.1.N.5:
Students skip count by tens up to 100.

Performance Indicator - MST3.1.N.6:
Students skip count by fives up to 50.

Performance Indicator - MST3.1.N.7:
Students skip count by twos up to 20.

Performance Indicator - MST3.1.N.8:
Students verbally count from a number other than 1 by ones.

Performance Indicator - MST3.1.N.9:
Students will count backwards from 20 by ones.

Performance Indicator - MST3.1.N.10:
Students draw pictures or other informal symbols to represent a spoken number up to 20.

Performance Indicator - MST3.1.N.11:
Students identify that spacing of the same number of objects does not affect the quantity (conservation).

Performance Indicator - MST3.1.N.12:
Students arrange objects in size order (increasing and decreasing).

Performance Indicator - MST3.1.N.13:
Students write numbers up to 100.

Performance Indicator - MST3.1.N.14:
Students read the number words "one, two, three...ten."

Performance Indicator - MST3.1.N.15:
Students explore and use place value.

Performance Indicator - MST3.1.N.16:
Students compare and order whole numbers up to 100.

Performance Indicator - MST3.1.N.17:

Students understand the place value structure of the base ten number system:

• 10 ones = 1 ten
• 10 tens = 1 hundred

Performance Indicator - MST3.1.N.18:
Students use a variety of strategies to compose and decompose one-digit numbers.

Performance Indicator - MST3.1.N.19:
Students understand the commutative property of addition.

Performance Indicator - MST3.1.N.20:
Students name the number before and the number after a given number, and name the number(s) between two given numbers up to 100 (with and without the use of a number line or a hundreds chart.)

Performance Indicator - MST3.1.N.21:
Students use "before," "after," or "between" to order numbers up to 100 (with or without the use of a number line.)

Performance Indicator - MST3.1.N.22:
Students use the words "higher," "lower," "greater," and "less" to compare two numbers.

Performance Indicator - MST3.1.N.23:
Students use and understand verbal ordinal terms, first to twentieth.