SME
Grade 4 Math
Add and subtract fractions with like denominators
The main lesson, then each kind of problem it solves.
Add and subtract fractions with like denominators
Main lesson
Subtract fractions with like denominators
Use this for “5/8 − 2/8 =” and other like denominators.
Fractions and mixed numbers
Use this for “Write 2 3/4 as a fraction,” or 11/4 as a mixed number.
Add mixed numbers
Use this for “Find the value of 3 2/5 + 1 4/5.”
Subtract mixed numbers
Use this for “A kite string is 7 1/5 meters. 3 4/5 meters are wound up. How much is let out?”
Interpret line plots in eighths of an inch
Use this to add up lengths in eighths of an inch from a line plot, and find the longest minus the shortest.
Interpret line plots in quarter inches
Use this for a line plot of straws measured to the quarter inch: the total length, and the longest minus the shortest.