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# Solving Equations with Decimals PowerPoint PPT Presentation

Solving Equations with Decimals. 3.5. Estimating Answer to Check. Rounding decimals 5 and above round up 4 and below keep the same Tenths- 1 decimal place Hundredths-2 decimal places Thousandths- 3 decimals places. Round to the nearest hundredths.

Solving Equations with Decimals

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## Solving Equations with Decimals

3.5

Rounding decimals

• 5 and above round up

• 4 and below keep the same

• Tenths- 1 decimal place

• Hundredths-2 decimal places

• Thousandths- 3 decimals places

### Round to the nearest hundredths

• Look at the third decimal place to determine

### Examples:

• 23.874

• 450.0982

• Line up the decimal place vertically

• When subtracting put larger number on top

### Ex: Add or Subtract and round to nearest hundreths

1.) 0.345 – (-34.1)

2.) 0.86 + (-8.2)

### Solving 1 Step Equations with APE of decimals

• KFC

• Add the additive inverse of the number being added to the variable to both sides of the equation

• Remember to line up decimals and put bigger number on top

Estimate

Solve

Estimate

Solve

Estimate

Solve

Estimate

Solve

Worksheet