+ Math: Addition and Subtraction Finding the Missing Factor in ADDITION & SUBTRACTION PROMLEMS
+ Today’s Math Goal Students will be demonstrating their ability to write Math problems. Students will be demonstrating their ability to find a missing factor in an addition problem. Students will be demonstrating their ability to find a missing factor in a subtraction problem. Key Words: Factor, Equation, Problem, Difference & Sum You will need: pencil, eraser, math notebook.
+ Today’s Math Lesson – A Little Review What is the METHOD for finding the MISSING FACTOR in an ADDITION EQUATION? [2 minutes] What is the METHOD for finding the MISSING FACTOR in a SUBTRACTION EQUATION? [2 minutes] What is the difference between an EQATION and a PROBLEM? [2 minutes]
+ Today’s Math Lesson June had $450. Her mom told her not to spend more than $100. She went shopping and bought some things. She came home with $328 dollars left. A) How much did June spend? B) Did June spend more than she was allowed to? NOTE: How much time do you need to solve this problem?
+ Today’s Math Lesson Paul had $327 dollars. He went to work and got paid. He came home with $8 764 dollars. A) How much money did Paul make at work? Extra Time? Write your own ADDITION MISSING FACTOR PROBLEM?
+ Practice Time! Jason collects stamps. He went to the stamp convention with stamps in his collection. He came home with stamps in his collection. A) How many stamps did Jason buy at the stamp convention?
+ Practice Time! Patrick sells hats at his HABIDASHERY (that might be a new word for some of you!). He started his day with hats in his store. He ended his day with hats in his store. How many hats did Patrick sell in one day?
+ Practice Time! Aquaman saves many lives. On Monday he saved a boat from crashing and saved lives. On Tuesday he stopped a flood and saved X number of lives. When he woke up on Wednesday morning he had saved a total of lives. A) How many lives did Aquaman save on Tuesday?
+ Practice Time! The Beatles sell many concert tickets. Their show has a total tickets to sell. After the first day of sale there are 89 tickets left to sell. A) How many tickets did their concert sell in its first day?
+ Practice Time! Now write and solve your own MISSING FACTOR ADDITION PROBLEM! Now write and solve your own MISSING FACTOR SUBTRACTION PROBLEM!
+ That’s it for today! Thanks for all of your hard work!