The addition is one of the most basic operations in mathematics, and it is always associated with the idea of moving forward, such as 1 + 1 = 2 and a + a = 2a. As you go in higher classes, addition involves multiple digits. Here are some of the most important tips for learning addition for 3 values: Tip 1: Start counting upwards. Example: 6 + 3 + 1. Hint: Start from the larger number. 1 + 2 + 6 is harder but 6 + 2 + 1 is easier. This will get you the same answer. Tip 2: The jump strategy. If you have one of the numbers in the 10s, for example, 14, then you can use that to make a 10s jump and then add the remaining value. Example: 4 + 12 can also be visualized as 4 + 10 +2. Tip 3: See if any numbers add to 10. This will make counting numbers easier. For example, if you have: 7 + 8 + 3 + 2 + 5. In this case, 7 + 3 and 8 + 2 both can make for. This will give you 20 and add the remaining 5 to make it 25. Tip 4: Do the ten in the end. For example, in the case of 14 + 5, do it 4 + 5 = 9 and then plus 10 to make it 19.

• Basic Lesson

Shows the addition of the ones, tens, and hundreds columns. Also includes practice problems.

• Independent Practice 1

Contains 15 single and 2-3 digit 3 number sum problems. The answers can be found below.

• Independent Practice 2

Contains 15 single and 2-3 digit 3 number sum problems. The answers can be found below.

• Homework Worksheet

Sums of three number problems. A complete example is provided.

• Topic Quiz

10 three number sum problems. A math scoring matrix is included.