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# Math 2008 slides 1.3, 1.4, 2.1

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### Math 2008 slides 1.3, 1.4, 2.1

1. 1. 1.3 Class Activity 1M-Finding Decimals Between Decimals1. Work with a partner and take turns giving yourpartner a pair of decimals and challenginghim/her to find a decimal in between your pair.  Start with 1.2 & 1.4  Goal: to stump your partner! * There aren’t any whole numbers between 2 and 3, but there are plenty of decimals between 2 and 3. If you are given two decimals, will there always be another decimals between the two? Are there some decimals that don’t have any other decimals in between them?
2. 2. 1.3 Class Activity 1L: Finding Smaller and Smaller Decimals Work with a partner and take turns listing decimals, each of which is greater than 2 but less than the previous decimals that was listed.  Ex: 2.3 – 2.2 - 2.1 and so forth.  Goal: to find a decimal such that your partner won’t be able to find a decimal that is smaller than yours but greater than 2.  Each person should list at least six decimals. * The number 3 is the smallest whole number that is greater than 2. But is there a smallest decimal that is greater than 2? If so what is it? If not, why not?
3. 3. 1.4 Class Activity 1R: Roundingwith Number lines
4. 4. 2.1 Class Activity 2C: Relating aFraction to Its Whole 11. At a neighborhood part, of the area of the 3park is used for a new playground. Swings will be 1placed on of the area of the playground. What 4fraction of the neighborhood park will the swingarea be? Draw a picture to helpyou solve the problem and explain your answer.
5. 5. 2.1 Class Activity 2CContinued…. 12. Ben is making a recipe that calls for cup of oil. 3 2Ben has a bottle that contains cup of oil. Ben does 3not have any measuring cups. What fraction of theoil in the bottle should Ben use for his recipe?Draw a picture to help yousolve the problem andexplain your answer.