**Complete addition and subtraction sentences :**

On the web page, complete addition and subtraction sentences students can improve their skills in addition and subtraction.

Steps to be followed

**Step 1 :**

Let the missing term be "x"

**Step 2 :**

Use inverse operations to isolate "x".

**Step 3 :**

After using inverse operations, we find the the value of x.

**Example 1 :**

Find the missing term 27,395 + ________ = 27951

**Solution :**

Let us assume the missing term be "x"

To find the missing term, we can apply the inverse operation.

Here 27,395 is added to the missing term (x), in order to isolate x we have to subtract 27,395 on both sides

aaaaaaaaa 2 7 , 3 9 5 + x = 2 7 , 9 5 1 aaaaaaaaaaaaaaaa

aaaaaaaaa-2 7 , 3 9 5aaaaaa- 2 7 , 3 9 5 aaaaaaaaaaaaaaaa

aaaaaaaaaaaaaaaaaaaa--------------------aaaaaaaaaaaaaaaaa

aaaaaaaaaaaaaaaaaaaaax = + aaa 5 5 6aaaaaaaaaaaaaaaaa

aaaaaaaaaaaaaaaaaaaa--------------------aaaaaaaaaaaaaaaaa

Hence the missing terms is 556

**Example 2 :**

Find the missing term 10,500 - ________ = 9998

**Solution :**

Let "x" be the missing term

So, 10500 - x = 9998

in order to isolate x, we need to subtract 10500 on both sides

10500 - x - 10500 = 9998 - 10500

0 - x = - 502

- x = - 502

By multiplying negative on both sides, we get

x = 502

Hence, the missing terms is 502.

**Example 3 :**

Find the missing term -4008 + ________ = 560

**Solution :**

Let "x" be the missing term

So, -4008 + x = 560

in order to isolate x, we need to add 4008 on both sides

-4008 + x + 4008 = 560 + 4008

0 + x = 4568

x = 4568

Hence, the missing terms is 4568.

**Example 4 :**

Find the missing term -77846 + ________ = 2987

**Solution :**

Let "x" be the missing term

So, -77846 + x = 2987

in order to isolate x, we need to add 77846 on both sides

-77846 + x + 77846 = 2987 + 77846

x = 80833

Hence, the missing terms is 80833.

**Example 5 :**

Find the missing term 9536 - ________ = 2605

**Solution :**

Let "x" be the missing term

So, 9536 - x = 2605

in order to isolate x, we need to subtract 9536 on both sides

9536 - x - 9536 = 2605 - 9536

- x = -6931

By multiplying negative on both sides, we get

x = 6931

Hence, the missing terms is 6931.

**Example 6 :**

Find the missing term 10869 - ________ = 20563

**Solution :**

Let "x" be the missing term

So, 10869 - x = 20563

in order to isolate x, we need to subtract 10869 on both sides

10869 - x - 10869 = 20563 - 10869

- x = 9694

By multiplying negative on both sides, we get

x = -9694

Hence, the missing terms is -9694.

**Example 5 :**

Find the missing term 9536 - ________ = 2605

**Solution :**

Let "x" be the missing term

So, 9536 - x = 2605

in order to isolate x, we need to subtract 9536 on both sides

9536 - x - 9536 = 2605 - 9536

- x = -6931

By multiplying negative on both sides, we get

x = 6931

Hence, the missing terms is 6931.

**Example 7 :**

Find the missing term 349 - ______ = 205

**Solution :**

Let "x" be the missing term

So, 349 - x = 205

in order to isolate x, we need to subtract 349 on both sides

349 - x - 349 = 205 - 349

- x = - 144

By multiplying negative on both sides, we get

x = 144

Hence, the missing terms is 144.

**Example 8 :**

Find the missing term 349 + ______ = 510

**Solution :**

Let "x" be the missing term

So, 349 + x = 510

in order to isolate x, we need to subtract 349 on both sides

349 + x - 349 = 510 - 349

x = 161

Hence, the missing terms is 144.

**Example 9 :**

Find the missing term 156 + ______ = 249

**Solution :**

Let "x" be the missing term

So, 156 + x = 249

in order to isolate x, we need to subtract 156 on both sides

156 + x - 156 = 249 - 156

x = 93

Hence, the missing terms is 93.

**Example 10 :**

Find the missing term -356 + ______ = 750

**Solution :**

Let "x" be the missing term

So, -356 + x = 750

in order to isolate x, we need to add 356 on both sides

- 356 + x + 356 = 750 + 356

x = 1106

Hence, the missing terms is 1106.

After having gone through the stuff given above, we hope that the students would have understood "Complete addition and subtraction sentences".

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