1st Grade
Here are all the units that your child will be studying in math in their first grade year. Consult with your child's teacher to learn what unit your child is working on at any given time.
Unit 1: Relating addition and subtraction
Ten is an important number.
You can use what you know about counting to help you add and subtract.
You can break numbers into parts. Knowing parts of numbers can help you add and subtract.
Listening carefully, modeling, and making sense of a problem can help you decide whether to add or subtract.
Unit 2: Addition and subtraction within 20
Ten is an important number.
Teen numbers are made up of a ten and some ones.
You can break apart numbers and put them together in different ways to help you add and subtract.
You can use what you know about adding and subtracting up to 10 to add and subtract up to 20.
Unit 3: Solving Word Problems and MAking Comparisons
You can use addition and subtraction relationships to find differences between quantities.
You can ask questions that can be answered by collecting, representing, and comparing data.
You can use objects, drawings, numbers, and symbols to show your thinking about word problems.
The equal sign is a symbol that desvribes the relationship between quantities.
Unit 4: Using tens and ones to organize and count
Two-digit numbers are made of tens and ones.
Knowing about tens and ones can help you read, write, and understand the value of a number.
You can use number patterns to help you find 10 more and 10 less than a number.
You can use what you know about tens and ones in two-digit numbers to compare their values.
Unit 5: Operations with Tens and Ones
You can use what you know about tens and ones to add or subtract tens from any number.
When adding two-digit numbers, you can add tens to tens and ones to ones.
Sometimes you need to cross a ten when you add. You can break apart and put together numbers in ways that are helpful to you.
Unit 6: Geometry and measurement
You can describe how long something is by comparing it to other objects.
You can describe the time of day by reading clocks.
You can describe shapes, compose compound shapes, and see smaller shapes within larger shapes.
When you divide a shape into two equal parts, the parts are called halves. When you divide a shape into four equal parts, the parts are called fourths or quarters.