1at 5.3 real world calculations

1at 5.3 real world calculations

lesson goals

• you know when not to use the normal rules for rounding

Revise:

• decimals

• rounding

• calculator

Multiple Choice

4,756 has 4...

• numbers

• decimals

• digits

Multiple Choice

What is this button used for?

• to convert fractions to decimal numbers

• To give you the answer

• To fill in fractions

Multiple Choice

What does this 'shift' button do?

• Gives a fraction

• calculates the answer

• you use this to get the yellow symbols above other buttons

• converts fraction to decimal numbers

Multiple Choice

If you're answer is a fraction, and you want a decimal number, you pres...

• shift

• del

• =

• S<=>D

Fill in the Blanks

real world calculations

Do you want to round?

Can you use the rules for rounding, does it make sense?

If you don't want to round...

Get to work!

• Where are you now?

• Finish 5.1, 5.2 and 5.3

• Check it off in magister.me if you finished a paragraph!

• Finished? Work on your PIF. What words of this week need to be in there?

  
  

• Next week: 5.4 and 5.5 (percentages and proportional relationships)