Name: ____________________________________ Date: _________ 4th Grade Math News Dear Family, Your child will be working on the following concepts in our Fractions and Decimals Unit: * * * * * * * * * * numerator denominator equivalent fractions or decimals like and unlike fraction simplest form mixed number decimal decimal point tenths hundredths You will find a list of vocabulary and sheets for you to help your child practice at home as we practice in school. Your child will be asked to bring this practice guide into school on review days. They will be rewarded with 3 study points added to their test grade for completing this study guide and getting a parent signature. This study guide will be due on May 27, 2009. Our final assessment on these concepts is scheduled for May 28, 2009. Sincerely, The Fourth Grade Team Vocabulary 1. fraction: A fraction is a number that can name a part of a whole. Example: 1 2 2. numerator: the numerator represents the number of equal parts of the whole you are talking about 3. denominator: the denominator represents the total number of equal parts in the whole. 4. equivalent fractions: Fractions that name the same amount are equivalent fractions. The fractions 2 and 1 are equivalent 6 3 fractions. 5. simplest form: If you continue to divide until 1 is the only number that can be divided evenly into the numerator and the denominator, you find the fraction in simplest form. 6. mixed number: a mixed number is made up of a whole number and a fraction. 3 1 is a mixed number. 2 7. like fractions: like fractions are fractions with the same denominator. 8. unlike fractions: unlike fractions are fractions with different denominator. 9. decimals: a decimal is a number with one or more digits to the right of the decimal point. 10. tenths: the first place value position to the right of the decimal point is tenths. 11. hundredths: one hundredth is one of one-hundred equal parts 12. equivalent decimals: equivalent decimals are decimals that name the same number, they are equal 13. decimal point: the decimal point separates whole numbers from tenths, hundredths, and so on. Name ___________________ Fractions and Decimals 1. Shade in 3 of the rectangle below. 5 2. Shade in .5 of the rectangle below. Write a fraction for the shaded part. Then write a fraction for the unshaded part. 3. Shaded Fraction _______________ 4. Shaded Fraction ______________ Unshaded Fraction ______________ Unshaded Fraction____________ Find two equivalent fractions for each faction. 5) 8 _______ , _______ 12 6) 6 _______ , _______ 12 1 _______ , _______ 2 7) Compare the fractions or decimals. Write < , > or = for each. 5 6 0.75 10 12 0.57 2 3 3.08 3 6 5 9 4 9 2.08 0.9 1.0 Order each set of fractions from least to greatest. 2 1 5 , , 8 8 8 1 1 3 , , 2 4 4 1 1 1 , , 8 7 9 ___________ ___________ ____________ 3 2 + = _________ 4 4 1 1 + = _________ 3 3 2 3 + = _________ 8 8 $3.20 + 7.43 = _________ 4.9 + 2.6 = _________ 5.06 + 4.9 =_________ Find the sum. Find the difference. 6 3 – = _________ 8 8 7 3 – = _________ 12 12 4 3 – = _________ 5 5 $9.30 - $7.15 = _________ 5.9 - 3.60 = _________ 8.16 - 6.9 =_________ Write each fraction as a decimal. 5 =_________ 100 2 =_________ 10 15 =_________ 100 Write the decimal as a fraction. .8 = __________ .05 = __________ .99 = ___________ Are the two decimals equivalent? Write yes or no. 0.8 and 0.80 0.32 and 0.23 0.19 and 0.09 ___________ ___________ ___________ Write the decimal and fraction that represents the shaded part of the grid. Fraction ____________________ Fraction _________________ Decimal ____________________ Decimal _________________