Word Problems using a Bar Diagram and RDWW
Lessons 1 and 2: Each place on a Place Value Chart is 10 times larger than the place to the right
The value of a place in digit
Lessons 1 and 2: Each place on a Place Value Chart is 10 times smaller than the place to the left.
The value of a place in digit
Lesson 3: Write numbers in word form and standard for with the help of commas
Using commas to write numbers
Lesson 4: Using place value to write numbers in expanded form
Expanded Form
Lesson 5: Using <, >, = symbols and place value to compare digits
Comparing digits with place value
Lesson 6: Finding, 1, 10 or 100 thousand more or less than a given digit
Number Patterns
Lesson 7: Use a number line model to round
Rounding with a Number Line
Lessons 8 and 9: Using anumber line to round to a specific place. Remember - number lines can be drawn horizontally and vertically.
Rounding to a specific place with a number line
Lesson 10: Rounding with real world problems
Rounding in real life
Lesson 11: Using place value to understand the addition algorithm
Using place value to add
Lesson 12: Using rounding to check for the reasonableness of your sum
Using rounding to check answers
Lesson 13: Using place value to understand the subtraction algorithm
Using place value to subtract
Lesson 14 and 15: Using the bar diagram to subtract
Using the bar diagram to subtract
Lesson 16: Solve two step real world word problems with bar diagram (tape diagram)
Using the bar diagram in two step subtraction problems
Lesson 17: Using a bar model to solve a comparison word problem
Using a tape diagram (bar model) to solve a comparitive word problem
Lesson 18: Using rounding to check for reasonableness of addition word problem
Using rounding to check addition
Lesson 18: Using rounding to check for reasonableness of subtraction word problem
Using rounding to check subtraction
Lesson 19: Solve addition word problems using a variable
Using variables in addition
Lesson 19: Solve subtraction word problems using a variable
Using variables in subtraction