I can express the value of a two-digit number using tens and ones.
I can compare the values of two-digit numbers using <, >, and = symbols.
Addition
I can add up to three numbers whose sum is less than or equal to 20.
I can add two-digit numbers whose sum is less than or equal to 100.
Subtraction
I can calculate the difference of numbers within 20.
I can subtract two-digit numbers whose sum is less than or equal to 100.
Addition and Subtraction Concepts
I can determine the unknown number in an addition or subtraction equation relating to 3 numbers.
I can solve addition and subtraction word problems involving add-to-take-from, put-together, take-apart, and compare situations with unknown quantities in all positions.
Length
I can order three or more objects by length.
I can measure the length of an object as a number of length units.
Time
I can tell time in hours and half hours using analog clocks.
I can tell time in hours and half hours using digital clocks.
Geometric Figures
I can identify defining attributes of two-dimensional figures.
I can create two-dimensional figures with defining attributes.
I can identify defining attributes of three-dimensional figures.
Partition and Compositions of Geometric Figures
I can partition circles and rectangles into halves and fourths.
I can create composite shapes or images with at least two levels of composition.
I can create composite three-dimensional figures with at least two levels of composition.
Representing Categorical Data
I can represent a set of data with up to 3 categories using a simple chart or graph.
I can interpret a simple chart or graph of data to answer questions about the number of data points in the categories.
