## Description

- Overview:
- This parent guide supports parents in helping their child at home with the 1st Grade Math content.

- Subject:
- Mathematics
- Level:
- Lower Primary
- Grades:
- Grade 1
- Material Type:
- Reference Material, Vocabulary
- Author:
- Kelly Rawlston
- Date Added:
- 02/15/2023

- License:
- Creative Commons Attribution Non-Commercial Share Alike
- Language:
- English
- Media Format:
- Downloadable docs

## Standards

Learning Domain: Geometry

Standard: Distinguish between defining and non-defining attributes and create shapes with defining attributes by: Building and drawing triangles, rectangles, squares, trapezoids, hexagons, circles; Building cubes, rectangular prisms, cones, spheres, and cylinders.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Geometry

Standard: Create composite shapes by: Making a two-dimensional composite shape using rectangles, squares, trapezoids, triangles, and half-circles naming the components of the new shape; Making a three-dimensional composite shape using cubes, rectangular prisms, cones, and cylinders, naming the components of the new shape.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Geometry

Standard: Partition circles and rectangles into two and four equal shares: Describe the shares as halves and fourths, as half of and fourth of; Describe the whole as two of, or four of the shares; Explain that decomposing into more equal shares creates smaller shares.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Measurement and Data

Standard: Order three objects by length; compare the lengths of two objects indirectly by using a third object.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Measurement and Data

Standard: Measure lengths with non-standard units: Express the length of an object as a whole number of non-standard length units; Measure by laying multiple copies of a shorter object (the length unit) end to end (iterating) with no gaps or overlaps.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Measurement and Data

Standard: Tell and write time in hours and half-hours using analog and digital clocks.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Measurement and Data

Standard: Organize, represent, and interpret data with up to three categories: Ask and answer questions about the total number of data points; Ask and answer questions about how many in each category; Ask and answer questions about how many more or less are in one category than in another.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Measurement and Data

Standard: Identify quarters, dimes, and nickels and relate their values to pennies.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Count to 150, starting at any number less than 150.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Understand that the two digits of a two-digit number represent amounts of tens and ones: Unitize by making a ten from a collection of ten ones; Model the numbers from 11 to 19 as composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones; Demonstrate that the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens, with 0 ones.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Compare two two-digit numbers based on the value of the tens and ones digits, recording the results of comparisons with the symbols less than, =, and greater than.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Using concrete models or drawings, strategies based on place value, properties of operations, and explaining the reasoning used, add, within 100, in the following situations: A two-digit number and a one-digit number; A two-digit number and a multiple of 10.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90, explaining the reasoning, using: Concrete models and drawings; Number lines; Strategies based on place value; Properties of operations; The relationship between addition and subtraction.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Number and Operations in Base Ten

Standard: Read and write numerals, and represent a number of objects with a written numeral, to 100.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Represent and solve addition and subtraction word problems, within 20, with unknowns, by using objects, drawings, and equations with a symbol for the unknown number to represent the problem, when solving: Add to/Take from-Change Unknown; Put together/Take Apart-Addend Unknown; Compare-Difference Unknown.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Represent and solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, by using objects, drawings, and equations with a symbol for the unknown number.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Apply the commutative and associative properties as strategies for solving addition problems.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Solve an unknown-addend problem, within 20, by using addition strategies and/or changing it to a subtraction problem.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Add and subtract, within 20, using strategies such as: Counting on; Making ten; Decomposing a number leading to a ten; Using the relationship between addition and subtraction; Using a number line; Creating equivalent but simpler or known sums.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Apply understanding of the equal sign to determine if equations involving addition and subtraction are true.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Determine the unknown whole number in an addition or subtraction equation involving three whole numbers.

Degree of Alignment: Not Rated (0 users)

Learning Domain: Operations and Algebraic Thinking

Standard: Demonstrate fluency with addition and subtraction within 10.

Degree of Alignment: Not Rated (0 users)

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