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

Fill in the Blank

digits behind the decimal point are called...

Fill in the Blank

5 th + 4t + 8o =

Fill in the Blank

What number is precisely midway between 0,6 and 0,9?

Fill in the Blank

Round the number 63,627 to the nearest tenth

Fill in the Blank

Round the number 637,958 to the nearest ten

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 Blank

How many beams does he get?

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...

Fill in the Blank

You want to celebrate christmas with 13 people, but you are only allowed to be with 4 people in 1 house (because you are not 1 household). You decide to split into groups. How many groups do you need?

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)