Math Mammoth Video Lessons

Lessons

• 1 Learn to write sums with + and =
• 2 Addition with missing numbers (missing addend)
• 3 Addition of three numbers
• 4 Number line addition
• 5 Compare numbers and sums
• 6 Sums with 5
• 7 Sums with 6
• 8 Sums with 7
• 9 Sums with 8
• 10 Sums with 9
• 11 Sums with 10
• 12 Two subtractions from one addition
• 13 Connection between subtraction and addition
• 14 Fact families
• 15 The concept of "how many more"
• 16 "How many more" problems and differences
• 17 The "teen" numbers
• 18 Naming/writing 2 digit numbers
• 19 Add and subtract whole tens
• 20 Bar graphs
• 21 Add a 2 digit number and a single digit mentally- no regrouping
• 22 Add and subtract 2 digii numbers without regrouping
• 23 Mental math trick with nine and eight
• 24 Pictographs
• 25 Measuring length- whole inches
• 26 Measuring length- whole centimeters
• 27 Tell the time- whole and half hours
• 28 AM and PM hours
• 29 Basic Shapes
• 30 Halves, quarters - and thirds too!
• 31