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California Common Core Content Standards

Overview:

First grade students extend their understanding of addition and subtraction by learning to use adding and subtracting to solve word problems within 20.  They understand the meaning of the equal sign and are expected to count to 120.  Place value knowledge is deepened and students use this knowledge to compare two-digit numbers within 100.  Students practice their measurement skills with linear measurement and begin to organize data from surveys.  Students also tell and write time in hours and half-hours using analog and digital clocks.

Operations and Algebraic Thinking

·         Solve addition and subtraction word problems within 20

·         Understand the relationship between addition and subtraction

·         Apply the properties of operations

If you know 8 + 3 = 11, then you know 3 + 8 = 11.

To add 2 + 6 + 4, the second two numbers can be

added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12.

·         Add and subtract within 20

Number and Base Ten Operations

·         Count to 120, starting at any number

·         Understand the meaning of the equal sign

·         Understand place value: ones, tens

·         Use place value to add and subtract within 100

Measurement and Data

·         Measure lengths and tell the measurement in units

·         Tell and write time

Geometry

·         Build and talk about a graph

Compare shapes by talking about sides, vertices, etc.

·         Compare two-dimensional shapes to three-dimensional shapes

Source:
Common Core Standards Parent Handbook
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