SME
Grade 3 Math
Multiply and divide within 100
The main lesson, then each kind of problem it solves.
Multiply and divide within 100
Main lesson
Use arrays to multiply
Use this for rows and columns: “6 rows of 4 chairs. How many chairs?”
Use number lines to divide
Use this for equal jumps on a number line: “How many jumps of 5 to get to 30?”
Division: how many in each group?
Use this to share equally: “24 stickers shared by 4 friends. How many each?”
Division: how many equal groups?
Use this for “24 stickers, 6 on each page. How many pages?”
Solve multiplication and division equations
Use this for a number sentence with a box: 8 × ? = 48.
Divide by breaking apart
Use this for “72 chairs in 4 equal rows: how many in each row?” past the facts.