Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Subtraction Problem: Using Rounding (1)
This is the first of two lessons in which you will learn how to check your answer to a subtraction problem by using rounding. This lesson deals with subtraction problems involving numbers with the same number of digits. [4:20]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to an Addition Problem: Using Rounding (2)
This is the second of two lessons in which you will learn how to check your answer to an addition problem by using rounding. This lesson deals with addition problems involving numbers with different numbers of digits. [4:13]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Subtraction Problem: Using Rounding (2)
This is the second of two lessons in which you will learn how to check your answer to a subtraction problem by using rounding. This lesson deals with subtraction problems involving numbers with different numbers of digits. [4:42]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to an Addition Problem: Using Regrouping
In this lesson, you will learn how to check your answer to an addition problem by using regrouping. [5:00]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to an Addition Problem: Using Clustering
In this lesson, you will learn how to check your answer to an addition problem by using clustering. [4:30]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Multiplication Problem: Using Rounding (1)
This is 1 of 2 lessons in which you will learn how to check your answer to a multiplication problem by using rounding. This lesson deals with multiplication problems involving single-digit products. [4:11]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Division Problem: Using Compatible Numbers
In this video, you will learn how to check your answer to a division problem by using compatible numbers. [4:37]
Sophia Learning
Sophia: Proving or Disproving a Solution: Lesson 4
In this lesson, students see how to find out whether or not a solution is correct or incorrect. The tutorial walks students through the process of deciding if the solution makes sense.
Sophia Learning
Sophia: Proving or Disproving a Solution: Lesson 6
In this lesson, students see how to find out whether or not a solution is correct or incorrect. In a given situation, students are walked through the process of eliminating and selecting the most appropriate answer in a multiple choice...
Sophia Learning
Sophia: Proving or Disproving a Solution: Lesson 7
In this lesson, students see how to find out whether or not a solution is correct or incorrect. Students are given different strategies and examples to determine if a solution is correct or incorrect.