- Add and Subtract Whole Numbers
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- Single Digit Addition
- Addition of 3 or More Single Digit Nnumbers
- Addition of Two 2-digit Numbers Without Carry
- Adding 2-digit Numbers and Single Digit Numbers
- Addition of Two 2-digit Numbers With Carry
- Addition With Carry to the Hundreds Place
- Addition of 2-digit, 3-digit and 4-digit Numbers
- Subtracting a Number From a 2-digit Number
- Subtraction of Two 2-digit Numbers Without Borrowing
- Subtraction of Two 2-digit Numbers With Borrowing
- Subtraction with Multiple Regrouping Steps
- Subtraction and Regrouping With Zeros
- Fact Families for Addition and Subtraction
- Addition or Subtraction of Whole Numbers (Word problems)
- Increasing or Decreasing Pattern from a Table of Values

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Add the single digit numbers.

**Method 1**

Adding is just like counting in this method.

**Step 1:**

We pick a number to begin with; letâ€™s say, 5.

**Step 2:**

We count up from the starting number (5) by the number of places as the second number (3) i.e., 6, 7 and 8 and we get the sum as 8.

**Method 2**

**Step 1:**

We can also use a number line to find the sum. We start from 5 on the number line and move three places to the right to land on 8. This is the sum.

**Step 2:**

So

Add the single digit numbers.

**Method 1**

**Step 1:**

We start counting with the greater number 7

**Step 2:**

And then we count up 4 more to get 11 as the sum.

**Method 2**

**Step 1:**

We can also use a number line to add numbers 7 and 4. We start from the greater number 7 on the number line and take 4 jumps to the right to land on the number 11 which is the sum.

**Step 2:**

So

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