Numbers, Number Sense, and Computation

1.2.1

I
Identify, use, and model place value positions of 1's, 10's, and 100's.

Identify the value of a given digit in the 1's, 10's, and 100's place.

1.2.2

E
Identify equal parts of a whole.

Identify and model the unit fractions 1/2 and 1/4 as equal parts of a whole sets of objects.

1.2.3

I

Read, write, compare, and order numbers from 0 - 999.

Identify ordinal positions first to twentieth.

Read and write number words to 20.

Create, compare, and describe sets of objects and numbers from 0 - 999 as greater than, less than, or equal to (>, <, =).

1.2.4

W
Use number patterns to skip count.

1.2.5

I
Identify and model basic addition facts ( sums to 18 ) and the corresponding subtraction facts.

Immediately recall basic addition facts ( sums to 81 ) and the corresponding subtraction facts.

1.2.6

I
Estimate the number of objects in a set to 20 and verify by counting.

1.2.7

E/S
Add and subtract one - and two - digit numbers without regrouping.

1.2.8

I

Generate and solve one-step addition and subtraction problems based on practical situations.

Model addition and subtraction in a variety of ways using pictorial representations and symbols to illustrate subtraction of sets, and missing addends.

Reinforce the use of mathematical vocabulary and symbols to describe addition, subtraction, and equality.