Addition and SubtractionAmber Quinn

Content Area: Mathematics Grade Level: 1st 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=4Add the 1st group of balls with the 2nd group of balls to get a total of 4 balls.

Hyperlink: http://hoodamath.com/games/princessmath.php

+ =

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:

http://www.ixl.com/math/kindergarten/count-to-5

- =

Now let’s Practice: Addition Problem to solve: 10+3= 13 4 7

Correct! Great job Superstar!

Question Two: Subtraction Problem: 8-4 = 2 4 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:

https://sites.google.com/a/norman.k12.ok.us/mr-wolfe-s-math-interactive-whiteboard/

Incorrect! Try Again