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Course Description: The focus in first grade mathematics is about (1) developing understanding of addition, subtraction, and strategies for addition and subtraction within 20; (2) developing understanding of whole number relationships and place value, including grouping in tens and ones; (3) developing understanding of linear measurement and measuring lengths as iterating length units; and (4) reasoning about attributes of, and composing and decomposing geometric shapes.
Course Learning Targets:
Unit 1- Sums and Differences to 10
- OA.3- Apply properties of operation to add and subtract.
- When adding I can change the order and get the sum.
- I can recognize the relationship between three numbers when adding.
- I can recognize the relationship between three numbers when subtracting.
- OA.5- Relate counting to addition and subtraction.
- I can use counting to show how to add and subtract.
- OA.6- Add and subtract within 10 by using different strategies and using the relationship between addition and subtraction.
- I can use different strategies to add and subtract.
- I can show the relationship between addition and subtraction.
Unit 2- Place value through addition and subtraction within 20
- OA.3- Apply properties of operation to add and subtract.
- I can recognize the relationship between three numbers when adding.
- I can make a ten out of three numbers.
- OA.6- Add and subtract within 10 by using different strategies and using the relationship between addition and subtraction.
- I can use different strategies to add and subtract.
- I understand the relationship between addition and subtraction.
- I can show the relationship between addition and subtraction.
- When adding I can compose two numbers into a ten and some ones.
- When subtracting I can decompose a teen number into a ten and some ones.
- NBT.2- Understand that the two digits of a two-digit number represent amounts of tens and ones.
- I can decompose a number into a ten and some ones.
- I understand teen numbers are composed of a ten and some ones.
Unit 3- Ordering and comparing length and measurements as numbers.
- MD.1- Order three objects by length, compare the lengths of two objects indirectly by using a third object.
- I can order objects by length.
- I can compare two objects by using a third object.
- MD.2- Express the length of an object by using a whole number of units.
- I can measure an object accurately, with no gaps, no overlaps and matching endpoints.
- MD.4- Organize, represent, and interpret data in a graph.
- I can answer questions about the data on a graph.
- I can organize and represent data into categories on a graph.
Unit 4- Place value, comparison, addition, and subtraction to 40
- OA.1- Use addition and subtraction within 20 to solve word problems.
- I can use objects, drawings and equations to solve addition word problems.
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- I can use objects, drawings and equations to solve subtraction word problems.
- NBT.2- Understand that the two digits of a two-digit number represent amounts of tens and ones.
- I can understand 10 is made up of a bundle of ten ones, called a “ten.”
- I can understand two digit numbers are made out of tens and ones.
- NBT.3- Compare two, two-digit numbers based on the tens and ones digits, using symbols.
- I can compare two, two-digit numbers by looking in the tens and ones place.
- I can show the comparison of two, two-digit numbers by using >, =, and < symbols.
- NBT.4- Add within 100 including adding a two-digit and a one-digit number and a multiple of 10 using drawings and strategies based on place value.
- I can add 1 or 10 to a two-digit number.
- I can subtract 1 or 10 from a two-digit number.
Unit 5- Identifying, composing and partitioning shapes.
- MD.3- Tell and write time in hours and half hours using analog and digital clocks.
- I can tell time in hours and half hours.
- I can write time in hours and half hours.
- G.2- Compose two-dimensional shapes or three-dimensional shapes to create a composite shape, and compose new shapes from the composite shape.
- I can compose two-dimensional shapes.
- I can create new shapes by combining different shapes.
- G.3- Partition circles and rectangles into two and four equal shares as described as halves, fourths and quarters.
- I can divide a circle into two and four equal parts.
- I can divide a rectangle into two and four equal parts.
- I can describe the equal parts as halves, fourths and quarters.
Unit 6- Place value, comparison, addition and subtraction to 100.
- NBT.1- Count to 120, starting at any number less than 120 and read and write numerals and represent a number of objects with a written numeral.
- I can count to 120 starting at any number less than 120.
- I can read, write and represent a number of objects with a number.
- NBT.2- Understand that the two digits of a two-digit number represent amounts of tens and ones.
- I can identify the tens and ones in a two digit number.
- NBT.3- Compare two, two-digit numbers based on the tens and ones digits, using symbols.
- I can show the comparison of two, two-digit numbers by using >, =, and < symbols.
- NBT.4- Add within 100 including adding a two-digit and a one-digit number and a multiple of 10 using drawings and strategies based on place value.
- I can add and subtract a two-digit number and a multiple of 10.
- I can add two, two-digit numbers using drawings and strategies.
When adding, I can add tens to tens, ones to ones, and sometimes compose a ten.