Jumpstarters for Fractions & Decimals Short Daily Warm-ups for the Classroom By Vicky ShiotSU COPYRIGHT 2007 Mark Twain Media, Inc. ISBN 97--507-9-2 Printing No. CD-404057 Mark Twain Media, Inc., Publishers Distributed by Carson-Dellosa Publishing Company, Inc. The purchase of this book entitles the buyer to reproduce the student pages for classroom use only. Other permissions may be obtained by writing Mark Twain Media, Inc., Publishers. All rights reserved. Printed in the United States of America.
Table of Contents Table of Contents Introduction to the Teacher... Fractions: Identifying Fractional Parts...2 Fractions: Comparing Fractions... Fractions: Fractional Parts of a Number...4 Fractions: Equivalent Fractions...5 Fractions: Simplest Form...6 Fractions: Improper Fractions & Mixed Numbers...7 Fractions: Using Fractions to Show Division... Fractions: Adding & Subtracting With Like Denominators...9 Fractions: Least Common Multiple & Greatest Common Factor...0 Fractions: Adding Fractions With Unlike Denominators... Fractions: Subtracting Fractions With Unlike Denominators...2 Fractions: Adding Mixed Numbers... Fractions: Subtracting Mixed Numbers...4 Fractions: Multiplying Fractions...5 Fractions: Multiplying Mixed Numbers...6 Fractions: Dividing Fractions...7 Fractions: Dividing Mixed Numbers... Decimals: Tenths & Hundredths...9 Decimals: Thousandths...20 Decimals: Decimals & Mixed Numbers...2 Decimals: Decimals & Place Value...22 Decimals: Comparing Decimals...2 Decimals: Comparing Fractions, Mixed Numbers, & Decimals...24 Decimals: Rounding Decimals...25 Tenths...26 Hundredths...27 Thousandths...2 Decimals: Multiplying Whole Numbers & Decimals...29 Decimals: Multiplying Decimals by Decimals...0 Decimals: Zeros in the Product... Decimals: Dividing Decimals by a Whole Number...2 Decimals: Writing Remainders as Decimals... Decimals: Dividing Whole Numbers by Decimals...4 Decimals: Dividing Decimals by Decimals...5 Decimals: Dividing & Rounding...6 Decimals: Multiplying by Powers of 0...7 Decimals: Dividing by Powers of 0... Decimals: Converting Fractions to Decimals...9 Answer Keys...40 ii
Fractions Identifying Fractional Parts 7 6 Fractions Identifying Fractional Parts Identifying Fractional Parts Write the fraction for the shaded part. A. B. C. Identifying Fractional Parts 2 Write the fraction for the shaded part. A. B. C. Identifying Fractional Parts Write the fraction for each. A. two fourths D. five sixths B. three fifths E. four ninths C. six tenths F. three thirds Identifying Fractional Parts 4 A. If 5 of 2 flowers are red, what fraction of the flowers are red? B. If 7 of 0 balloons are blue, what fraction of the balloons are not blue? C. There are 9 caps. If 5 caps are white and 2 caps are yellow, what fraction of the caps are white or yellow? Identifying Fractional Parts 5 Write two fractions that describe the part of the square that is shaded. Explain your answer. 2
7 6 Fractions Comparing Fractions Fractions Comparing Fractions Comparing Fractions Write > or < in the circle to compare the fractions. A. #h @h D. %h ats B. &l *l E. $g $f C. @d @f F. &l au; Comparing Fractions 2 A. Jim ate!f of the pizza. Tracy ate!h of it. Lee ate!d of the pizza. Who ate the most pizza? Who ate the least? B. Megan has a container of beads. If #g of the beads are red and #h are blue, does Megan have more red beads or blue beads? Comparing Fractions Write the fractions in order from the least to the greatest. A. %k,!k, &k, #k B.!j,!s,!d,!l C. #g, #j, #f, ae; D. ^k, ay;, ays, ^h LEAST GREATEST Comparing Fractions 4 Comparing Fractions 5 Write >, <, or =. Use the bars to help you. A.!s!d B. @h @d C. #h!s D. #f $h E.!s @f Use the numbers in the circle to fill in the boxes. Write each number only once. A.!f < B. @h > 2 C. ao; > 5 4
Fractions Fractional Parts of a Number 7 6 Fractions Fractional Parts of a Number Fractional Parts of a Number Find the following numbers. A.!s of 0 = D.!d of 2 = B.!d of 5 = E.!j of 4 = C.!g of 20 = F.!f of 2 = Fractional Parts of a Number 2 A. There were 2 beads. One-fourth of the beads were green. How many beads were green? B. There were 0 students in the class. If onesixth of them wore glasses, how many students wore glasses? Fractional Parts of a Number How does knowing that!g of 60 equals 2 help you find out what $g of 60 equals? Fractional Parts of a Number 4 Find the following numbers. A. What is #f of 6? B. What is #k of 24? C. What is @g of 20? D. What is %j of 2? 5 7 Fractional Parts of a Number 5 A. Dean baked some cookies. He gave one-half of them to Lee. Now Dean has cookies. How many cookies did Dean bake in all? B. Kwan baked some brownies. Her family ate one-fourth of them. Now there are 2 brownies left. How many brownies did Kwan bake? C. Jamie baked some muffins. She gave half of them to Brent. Then she gave half of what she had left to Sara. Now Jamie has 6 muffins left. How many muffins did Jamie bake? 4