Decimals Add Subtract

Addition & Subtraction of Decimals ,[object Object],[object Object],[object Object],[object Object],[object Object]

Add and Subtract like Columns 71 + 58 + 25 = _______ 4 1 15 RULE: Only add and subtract LIKE columns. 71 58 25 + tens ones

7.1 + 5.8 + 2.5 = _______ Add & Subtract like Columns . 4 1 15 RULE: Only add and subtract LIKE columns. 7 . 1 5 . 8 2 . 5 + ones ten ths

The “Understood” Decimal ,[object Object],[object Object],[object Object],[object Object]

Addition with the “Understood” Decimal ,[object Object],[object Object],[object Object]

Make The Columns Even ,[object Object],.0 34.5 21. 0 8.5 + RULE: Add zeros to even the columns 34.5 21 8.5 +

Make The Columns Even ,[object Object],56.819 1 1 7 23 0 5 000 3 decimal columns 2 decimal columns 0 decimal columns 44.589 . . +

Subtracting Decimals ,[object Object],[object Object],[object Object],[object Object]

Let’s Look at Subtraction ,[object Object],34 - 12 22 tens ones

Subtract Similar Columns ,[object Object],RULE: Only add and subtract LIKE columns. 3 4 - 1.2 2.2 ones ones ten ths tens Warning ! !

Subtract Similar Columns ,[object Object],1 8 2 3 34. 0 - 1. 2 . ones ten ths 3 33

Here’s a Tricky One ,[object Object],.00 5.56 1 1 4. 4 4 8 - 3.56 8. 0 0 - 3. 5 6 7 9

We’re Done! ,[object Object],[object Object],[object Object]

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