Introduction to Subtraction
Subtraction Strategies
Counting Back Strategy
Lesson 2Learn to subtract efficiently by counting back from the larger number.
8 minutesSubtraction with Number Line
Lesson 3Learn to subtract using a number line to visualize the process and solve problems.
9 minutesDecomposing 10 to Subtract
Lesson 4Using the decomposing ten strategy to subtract numbers efficiently.
10 minutesSubtraction with Ten Frames
Lesson 5Using ten frames to visualize subtraction problems and strategies.
10 minutesSubtraction with Base Ten Blocks
Lesson 6Using base ten blocks to understand place value in subtraction problems.
12 minutes