Arithmetic
Unit 1
- Represent (with equations, drawings, or objects) and solve 1- or 2-step addition and subtraction problems within 100
- Mentally add and subtract within 20 fluently
- Work with equal groups of objects to build foundations for multiplication
- Use addition to find total number of objects arranged in rectangular arrays of rows and columns
- Choose appropriate tools and units to measure lengths
- Measure and estimate lengths using inches, feet, centimeters, and meters
- Measure to compare lengths of objects
- Solve addition and subtraction word problems involving same-unit lengths
Unit 2
- Write an equation to represent a problem, using a symbol for the unknown number
- Represent whole numbers as lengths on a number line
- Represent sums and differences within 100 on a number line
- Tell and write time (using a.m. and p.m.) to the nearest five minutes
- Explain relationships between seconds, minutes, hours, and days
- Understand the values and relationships among dollar bills and coins (or local denominations)
- Solve word problems involving dollar bills and coins (or local denominations)
- Generate measurement data
Unit 3
- Represent data on a bar graph or circle graph
- Analyze and solve problems with data on line plots, picture graphs, or bar graphs
- Recognize and draw shapes with specified attributes
- Identify triangles, quadrilaterals, pentagons, hexagons, cubes
- Partition a rectangle into rows and columns of same size squares
- Describe a whole as two halves, three thirds, or four fourths
- Read, write, count, and compare numbers up to 1,000
- Identify a number as odd or even
Unit 4
- Understand and explain place value through one thousands
- Understand 100 as a bundle of ten tens
- Understand 100 as referring to one hundred, 0 tens, and 0 ones
- Skip count by twos, fives, tens, and hundreds within 1,000
- Understand the concept of zero
- Write numbers up to four digits in expanded form to show place value (Example: 1,234 = 1,000 + 200 + 30 + 4)
- Mentally add 10 to or subtract 10 from any given number 100-1,000
- Use understanding of place value and properties of operations to add and subtract
- Add and subtract within 1,000 using models, drawings, or place value strategies
- Estimate sums and differences with multiples of 10 or 100