Learn how to solve problems like "___ + 7 = 18" where you don't know one of the values in an addition or subtraction equation.
Intro_to_addition_with_2_digit_numbers
Learn how to add two-digit numbers. By the end of this tutorial, you'll be able to solve problems like 48+6 and 48+21. More advanced problems like 48+28 will be covered in a future tutorial.
Word_problems_with_more_and_fewer_
Learn how to solve word problems that use the words "more" and "fewer". Numbers used are 20 or less.
Learn to add. Numbers used are 20 or less.
Relate_addition_and_subtraction
Learn how to addition and subtraction are related. Numbers used are 10 or less.
Learn to subtract. Numbers used are 20 or less.
Learn how to solve addition problems like 23+4 and 23+40.
Learn the meaning of '=', the equal sign.
Learn how to solve addition and subtraction word problems. Numbers used are 20 or less.
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