Learning Target

Use startergies  to develop  formulas  for  finding the circumfrence of a circle

Example

19.3*3.14=60.6

Lesson

Let's say the circumference 19.3 it would be multiplyed  by 3.14

circumference of circle

Learning Target

Estimating sums and differences using decimals

Example

51.12+49.16=? Round to 51+49=100

57.21-35.07=? Round to 57-35=22

Lesson 

If the decimal is higher than 5 you round up.If it is 4 and lower you round down.

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