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MEASUREMENT AND DATA 1.MD
A. Measure lengths indirectly and by iterating length units.
1. Order three objects by length; compare the lengths of two objects
indirectly by using a third object.
Listen and Look Video explaining overview for Lesson 12-1 Compare and Order by Length
Student Video - Another Look for Lesson 12-1 Compare and Order by Length
Listen & Look Video explaining overview for Lesson 12-2 Indirect Measurement
Student Video - Another Look for Lesson 12-2 Indirect Measurement
Listen and Look Video explaining overview for Lesson 12-4 Continue toMeasure Length
Student Video - Another Look for Lesson 12-4 Continue to Measure Length
2. Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.
Listen & Look Video explaining overview for Lesson 12-3 Use Units toMeasure Length
Student Video - Another Look for Lesson 12-3 Use Units to Measure Length
Student Video - Another Look for Lesson 12-5 Math Practices & ProblemSolving: Use Appropriate Tools
OPERATIONS AND ALGEBRAIC THINKING 1.OA
A. Represent and solve problems involving addition and subtraction.
1. Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations (number sentences) with a symbol for the unknown number to represent the problem.
Listen and Look Video explaining overview for Lesson 1-1 Solve Problems: Add To
Student Video - Another Look for Lesson 1-1 Solve Problems: Add To
Listen and Look Video explaining overview for Lesson 1-2 Solve Problems: Put Together
Student Video - Another Look for Lesson 1-2 Solve Problems: Put Together
Listen and Look Video explaining overview for Lesson 1-3 Solve Problems: Both Addends Unknown
Student Video - Another Look for Lesson 1-3 Solve Problems: Both Addends Unknown
Listen and Look Video explaining overview for Lesson 1-4 Solve Problems: Take From
Student Video - Another Look for Lesson 1-4 Solve Problems: Take From
Listen and Look Video explaining overview for Lesson 1-5 Solve Problems: Compare Situations
Student Video - Another Look for Lesson 1-5 Solve Problems: Compare Situations
Student Video - Another Look for Lesson 1-6 Continue to Solve Problems: Compare Situations
Listen and Look Video explaining overview for Lesson 1-7 Practice Solving Problems: Add to
Student Video - Another Look for Lesson 1-7 Practice Solving Problems: Add to
Listen and Look Video explaining overview for Lesson 2-9 Solve Word Problems with Facts to 10
Student Video - Another Look for Lesson 2-9 Solve Word Problems with Facts to 10
Student Video - Another Look for Lesson 3-9 Solve Addition Word Problems with Facts to 20
Listen and Look Video explaining overview for Lesson 4-8 Solve Word Problems with Facts to 20
Student Video - Another Look for Lesson 4-8 Solve Word Problems with Facts to 20
Listen and Look Video explaining overview for Lesson 4-9 Math Practices & Problem Solving: Reasoning
Student Video - Another Look for Lesson 4-9 Math Practices & Problem Solving: Reasoning
Student Video - Another Look for Lesson 5-6 Solve Addition and Subtraction Word Problems
B. Understand and apply properties of operations and the relationship between addition and subtraction.
3. Apply properties of operations to add.
Listen and Look Video explaining overview for Lesson 2-4 Facts with 5 on a Ten-Frame
Student Video - Another Look for Lesson 2-4 Facts with 5 on a Ten-Frame
Listen and Look Video explaining overview for Lesson 2-5 Add in Any Order
Student Video - Another Look for Lesson 2-5 Add in Any Order
Listen and Look Video explaining overview for Lesson 5-5 Add Three Numbers
Student Video - Another Look for Lesson 5-5 Add Three Numbers
4. Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Listen and Look Video explaining overview for Lesson 2-7 Think Addition to Subtract
Student Video - Another Look for Lesson 2-7 Think Addition to Subtract
Listen and Look Video explaining overview for Lesson 2-8 Continue to Think Addition to Subtract
Student Video - Another Look for Lesson 2-8 Continue to Think Addition to Subtract
Listen and Look Video explaining overview for Lesson 4-4 Fact Families
Student Video - Another Look for Lesson 4-4 Fact Families
Listen and Look Video explaining overview for Lesson 4-5 Use Addition to Subtract
Student Video - Another Look for Lesson 4-5 Use Addition to Subtract
Listen and Look Video explaining overview for Lesson 4-6 Continue to Use Addition to Subtract
Student Video - Another Look for Lesson Lesson 4-6 Continue to Use Addition to Subtract
Listen and Look Video explaining overview for Lesson 4-7 Explain Subtraction Strategies
Student Video - Another Look for Lesson 4-7 Explain Subtraction Strategies
C. Add and subtract within 20.
5. Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
Listen and Look Video explaining overview for Lesson 2-1 Count On to Add
Student Video - Another Look for Lesson 2-1 Count On to Add
Listen and Look Video explaining overview for Lesson 2-2 Doubles
Student Video - Another Look for Lesson 2-2 Doubles
Listen and Look Video explaining overview for Lesson 2-3 Near Doubles
Student Video - Another Look for Lesson 2-3 Near Doubles
Listen and Look Video explaining overview for Lesson 2-6 Count Back to Subtract
Student Video - Another Look for Lesson 2-6 Count Back to Subtract
Listen and Look Video explaining overview for Lesson 3-1 Count On to Add
Student Video - Another Look for Lesson 3-1 Count On to Add
Listen and Look Video explaining overview for Lesson 3-2 Count On to Add Using an Open Number Line
Student Video - Another Look for Lesson 3-2 Count On to Add Using an Open Number Line
Listen and Look Video explaining overview for Lesson 3-3: Doubles
Student Video - Another Look for Lesson 3-3 Doubles
Listen and Look Video explaining overview for Lesson 3-4 Doubles Plus 1
Student Video - Another Look for Lesson 3-4 Doubles Plus 1
Listen and Look Video explaining overview for Lesson 3-5 Doubles Plus 2
Student Video - Another Look for Lesson 3-5 Doubles Plus 2
Listen and Look Video explaining overview for Lesson 4-1 Count to Subtract
Student Video - Another Look for Lesson 4-1 Count to Subtract
6. Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use mental strategies such as counting on; making 10 (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a 10 (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
Listen and Look Video explaining overview for Lesson 2-4 Facts with 5 on a Ten-Frame
Student Video - Another Look for Lesson 2-4 Facts with 5 on a Ten-Frame
Listen and Look Video explaining overview for Lesson 3-6 Make 10 to Add
Student Video - Another Look for Lesson 3-6 Make 10 to Add
Listen and Look Video explaining overview for Lesson 3-7 Continue to Make 10 to Add
Student Video - Another Look for Lesson 3-7 Continue to Make 10 to Add
Listen and Look Video explaining overview for Lesson 3-8 Explain Addition Strategies
Student Video - Another Look for Lesson 3-8 Explain Addition Strategies
Listen and Look Video explaining overview for Lesson 4-2 Make 10 to Subtract
Student Video - Another Look for Lesson 4-2 Make 10 to Subtract
Listen and Look Video explaining overview for Lesson 4-3 Continue to Make 10 to Subtract
Student Video - Another Look for Lesson 4-3 Continue to Make 10 to Subtract
D. Work with addition and subtraction equations.
7. Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
Listen and Look Video explaining overview for Lesson 5-2 True or False Equations
Student Video - Another Look for Lesson 5-2 True or False Equations
Listen and Look Video explaining overview for Lesson 5-3 Make True Equations
Student Video - Another Look for Lesson 5-3 Make True Equations
Number and Operations in Base Ten 1.NBT
A. Extend the counting sequence.
1. Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Listen and Look Video explaining overview for Lesson 7-2 Count by 1's to 120
Student Video - Another Look for Lesson 7-2 Count by 1's to 120
Listen and Look Video explaining overview for Lesson 7-3 Count on a Number Chart to 120
Student Video - Another Look for Lesson 7-3 Count on a Number Chart to 120
Listen and Look Video explaining overview for Lesson 7-4:Count by 1's or 10's to 120
Student Video - Another Look for Lesson 7-4 Count by 1's or 10's to 120
Listen and Look Video explaining overview for Lesson 7-5 Count on an Open Number Line
Student Video - Another Look for Lesson 7-5 Count on an Open Number Line
Listen and Look Video explaining overview for Lesson 7-6 Count and Write Numerals
Student Video - Another Look for Lesson 7-6 Count and Write Numerals
B. Understand place value.
2. Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
a. 10 can be thought of as a bundle of ten ones—called a “ten.”
Listen and Look Video explaining overview for Lesson 8-3 Count with Groups of Tens and Leftovers
Student Video - Another Look for Lesson 8-3 Count with Groups of Tens and Leftovers
Listen and Look Video explaining overview for Lesson 8-4 Tens and Ones
Student Video - Another Look for Lesson 8-4 Tens and Ones
Listen and Look Video explaining overview for Lesson 8-5 Continue with Tens and Ones
Student Video - Another Look for Lesson 8-5 Continue with Tens and Ones
b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
Listen and Look Video explaining overview for Lesson 8-1 Make Numbers 11 to 19
Student Video - Another Look for Lesson 8-1 Make Numbers 11 to 19
Listen and Look Video explaining overview for Lesson 8-2 Numbers Made with Tens
Student Video - Another Look for Lesson 8-2 Numbers Made with Tens
c. The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
Listen and Look Video explaining overview for Lesson 7-1 Count by 10's to 120
Student Video - Another Look for Lesson 7-1 Count by 10's to 120
C. Use place value understanding and properties of operations to add and subtract.
4. Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings, and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Listen and Look Video explaining overview for Lesson 10-1 Add Tens Using Models
Student Video - Another Look for Lesson 10-1 Add Tens Using Models
Listen and Look Video explaining overview for Lesson 10-3 Add Tens and Ones Using a Hundred Chart
Student Video - Another Look for Lesson 10-3 Add Tens and Ones Using a Hundred Chart
Student Video - Another Look for Lesson 10-4 Add Tens and Ones Using an Open Number Line
Listen and Look Video explaining overview for Lesson 10-5 Add Tens and Ones Using Models
Student Video - Another Look for Lesson 10-5 Add Tens and Ones Using Models
Listen and Look Video explaining overview for Lesson 10-6 Make a Ten to Add
Student Video - Another Look for Lesson 10-6 Make a Ten to Add
Listen and Look Video explaining overview for Lesson 10-7 Add Using Place Value
Student Video - Another Look for Lesson 10-7 Add Using Place Value
Listen and Look Video explaining overview for Lesson 10-8 Practice Adding Using Strategies
Student Video - Another Look for Lesson 10-8 Practice Adding Using Strategies