Addition and Subtraction Amber Quinn
Content Area: Mathematics Grade Level: 1 st grade Summary: The purpose of this activity is for the student to provide the correct number for each addition and subtraction equation. Learning Objective: Students will solve addition and subtraction problems with 100% accuracy. Content Standard: Determine the unknown whole number in addition or subtraction equation relating three whole numbers. Accomplishment: To understand addition and subtraction equations with accuracy.
Let’s Review Addition! Instructions-First Example: 2+2=4 Add the 1 st group of balls with the 2 nd group of balls to get a total of 4 balls. Hyperlink: +=
Take a look at Subtraction! Second Example: 3-2=1 Take the first group of 3 balls and take away two of them. You are now left with only 1 ball. Hyperlink: -=
Now let’s Practice: Addition Problem to solve: 10+3= 4 4 7 7
Correct! Great job Superstar!
Question Two: Subtraction Problem: 8-4 = 2 2 4 4 9 9
Correct! You got it!
Summary: Congratulations! You have solved all the problems correct Mathematician! We have reviewed adding and subtracting so now you have a little more knowledge on how to do those problems correctly! Here is a link that provides you with some interactive math problems to practice on. Hyperlink: mr-wolfe-s-math-interactive-whiteboard/ mr-wolfe-s-math-interactive-whiteboard/
Incorrect! Try Again