1.1Number System—Addition and Subtraction, Place Value and Patterns in Addition
Content to be learned
Solve two-step word problems using addition and subtraction.
• Represent problems using equations where a letter stands for an unknown quantity.
• Identify arithmetic patterns in addition and subtraction.
• Round whole numbers to 10s and 100s using place value.
-------Scholastic Study Jams: Place Value Video
-----Rounding Activities
rounding tricks and sayings
1,2 round down 3,4 round down---1234 round down---
5,6 round up 7,8 round up 5678 round up and 9 also.
1 through 4 stay on the floor
5 through 9 climb the vine
• Add and subtract within 1,000 using strategies and algorithms based on place value and properties of operations.
• Use the relationship between addition and subtraction to solve problems.
• Check the reasonability of solutions using strategies such as mental computation, estimation, and rounding.
Solve two-step word problems using addition and subtraction.
• Represent problems using equations where a letter stands for an unknown quantity.
• Identify arithmetic patterns in addition and subtraction.
• Round whole numbers to 10s and 100s using place value.
-------Scholastic Study Jams: Place Value Video
-----Rounding Activities
rounding tricks and sayings
1,2 round down 3,4 round down---1234 round down---
5,6 round up 7,8 round up 5678 round up and 9 also.
1 through 4 stay on the floor
5 through 9 climb the vine
• Add and subtract within 1,000 using strategies and algorithms based on place value and properties of operations.
• Use the relationship between addition and subtraction to solve problems.
• Check the reasonability of solutions using strategies such as mental computation, estimation, and rounding.
1.2 Introduction to Fractions and Partitioning Shapes into Parts with Equal Areas
Content to be learned
• Understand a fraction as an equal part of a whole.
• Use fractions to decompose and compose a whole.Explore partitioning a shape into parts with equal area.
• Describe the area of each part as a unit fraction of the whole.
Identifying fractions parts
• Understand a fraction as an equal part of a whole.
• Use fractions to decompose and compose a whole.Explore partitioning a shape into parts with equal area.
• Describe the area of each part as a unit fraction of the whole.
Identifying fractions parts
1.3Fractions on a Number Line and a Line Plot
Content to be learned
• Recognize that a whole partitioned in equal parts is composed of unit fractions of equal size.
• Represent fraction a/b on a number line from 0 to 1 by partitioning unit fractions.
• Use a ruler to measure using whole numbers, 1/2 and 1/4 of an inch.
• Make a line plot with horizontal scale marked off as whole numbers, 1/2, and 1/4.
• Recognize that a whole partitioned in equal parts is composed of unit fractions of equal size.
• Represent fraction a/b on a number line from 0 to 1 by partitioning unit fractions.
• Use a ruler to measure using whole numbers, 1/2 and 1/4 of an inch.
• Make a line plot with horizontal scale marked off as whole numbers, 1/2, and 1/4.
1.4Introduction to Multiplication—Products of Whole Numbers and Area Related to Mulitpication and Addition
Content to be learned
• Recognize the total as the number of objects in a number of groups.
• Solve multiplication word problems involving equal groups and arrays.
• Relate the area of a rectangle to multiplying the side lengths.
• Represent the Distributive Property of Multiplication using arrays.
• Recognize the total as the number of objects in a number of groups.
• Solve multiplication word problems involving equal groups and arrays.
• Relate the area of a rectangle to multiplying the side lengths.
• Represent the Distributive Property of Multiplication using arrays.