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Answer Key For The California Mathematics Standards. Number Sense 1 01 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 1 Students estimate round and manipulate very large e g millions and very small. e g thousandths numbers,a 1 Round 4 123 to the nearest hundreth 4 12. 4 12 3 Since 3 5 we leave 2 and drop the rest,2 Round 13 082 to the nearest tenth 13 1. 13 0 8 2 Since 8 5 we round 0 up to 1, b 1 Round off 6 296 942 to nearest million 6 000 000. 6 2 96 942 Since 2 5 we leave 6 and keep 0s as place holders. 2 Round off 6 296 942 to nearest hundred thousand 6 300 000. 6 2 9 6 942 Since 9 5 we round 2 up to 3 and use 0s as place holders. Los Angeles County Office of Education Mathematics 1. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 1 0 1 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 2 Students interpret percents as a part of a hundred find decimal and percent equivalents. for common fractions and explain why they represent the same value compute a given percent of. a whole number,a 1 Write each value as a decimal,i 17 1000 1000 017. ii 3 20 20 0 15 Since 20 3 00,iii 6 0 06,2 Write each value as a fraction. ii 1 111 1,iii 8 08 Since in numerator and,100 25 100. denominator both divisible by 4, Los Angeles County Office of Education Mathematics 2.
National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Number Sense 1 01 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 2 Students interpret percents as a part of a hundred find decimal and percent equivalents. for common fractions and explain why they represent the same value compute a given percent of. a whole number,a 3 Write each value as a percent,ii 0 165 16 5. iii 17 20 85 85 Since 20 17 00,iv 1 8 125 12 5 Since 8 1 000. Los Angeles County Office of Education Mathematics 3. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 1 01 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 2 Students interpret percents as a part of a hundred find decimal and percent. equivalents for common fractions and explain why they represent the same value. compute a given percent of a whole number,b 1 What is 30 of 20 6 30 x. 2 What is 25 of 48 12,1 200 100x,3 What is 150 of 30 45. 4 500 100x, Los Angeles County Office of Education Mathematics 4. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 1 01 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 3 Students understand and compute positive integer powers of non negative integers. compute examples as repeated multiplication,Fill in the blank with a whole number. 54 5 x 5 x 5 x 5 625, Number Sense 1 01 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 4 Students determine the prime factors of all numbers through 50 and write the. numbers as the product of their prime factors by using exponents to show multiples of a. factor e g 24 2 x 2 x 2 x 3 23 x 3, Write these numbers as the product of their prime factors using exponents to.
show multiples of a factor if needed,a 48 24 x 3 48 b 36 22 x 33 36. 2 3 36 2 x 2 x 3 x 3,48 2 x 2 x 2 x 2 x 3, Los Angeles County Office of Education Mathematics 5. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Number Sense 1 0 1 0 Students compute with very large and very small numbers positive integers. decimals and fractions and understand the relationship between decimals fractions and percents They. understand the relative magnitudes of numbers, NS 1 5 Students identify and represent on a number line decimals fractions mixed numbers. and positive and negative integers, Write the letter for each number that represents the quantity on the number line.
2 2 B 0 3 D 0 5 E,2 F A 1 5 C,E D A C B F,2 1 0 1 2 3. Los Angeles County Office of Education Mathematics 6. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 1 Students add subtract multiply and divide with decimals add with negative integers. subtract positive integers from negative integers and verify the reasonableness of the results. Write the answers,a 1 3 20 x 0 05 0 16 3 18 0 342 17 658. 3 20 18 000,x0 05 0 342,1600 17 658,2 20 0 05 400 4 8 1 0 054 7 15 154.
b 1 4 3 7 4 4 3 7,2 7 3 4 5 2 7 9,3 3 7 4 6 2 7 5, Los Angeles County Office of Education Mathematics 7. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 2 Students demonstrate proficiency with division including division with positive. decimals and long division with multidigit divisors. a 45 32 694 45 32 694,b 504 2 1 2 1 504 0,c 1 324 20 20 1 324 0. Los Angeles County Office of Education Mathematics 8. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 3 Students solve simple problems including ones arising in concrete situations. involving the addition and subtraction of fractions and mixed numbers like and unlike. denominators of 20 or less and express answers in the simplest form. Write the answers,a 4 3 b 2 1 1,12 12 12 1 12,c 3 2 10 d 3 1. 3 2 15 3 1,5 10 12 18,8 7 36 15 6,10 10 36 36,15 5 5 9 1. 10 10 10 36 4, Los Angeles County Office of Education Mathematics 9. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 4 Students understand the concept of multiplication and division of fractions. Write the answers,3 x8 2 2 1 4,4 9 3 5 2 5,3 8 24 2 1. 4 9 36 5 2,4 and 8 have a,common factor of 4,3 and 9 have a. common factor of 3, Los Angeles County Office of Education Mathematics 10. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards.
Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 5 Students compute and perform simple multiplication and division of fractions and. apply these procedures to solving problems, a A ribbon is 40 inches long We want to cut the ribbon into pieces Each. piece will be of an inch How many pieces will we have. 2 60 pieces,40 and 2 have a common,factor of 2, b There are 20 bottles in a box Each bottle weighs 1 pounds. How many pounds do all the bottles weigh together,3 35 pounds. 20 and 4 have a common,factor of 4, Los Angeles County Office of Education Mathematics 11.
National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Number Sense 2 0, 2 0 Students perform calculations and solve problems involving addition subtraction. and simple multiplication and division of fractions and decimals. NS 2 5 Students compute and perform simple multiplication and division of fractions and. apply these procedures to solving problems, c Richard has a large pizza He gives away of it then he gives away. what he has How much pizza does Richard have left,1 remaining of the pizza after was given away. of the pizza is left, Los Angeles County Office of Education Mathematics 12.
National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Algebra and Functions 1 0, 1 0 Students use variables in simple expressions compute the value of the. expression for specific values of the variable and plot and interpret the results. AF 1 1 Students use information taken from a graph or equation to answer questions. about a problem situation,Number of apples sold,100 100 100. M T W Th F,a How many apples were sold this week 500 apples. b How many more apples were sold on Monday than on Friday 50 more. Algebra and Functions 1 0, 1 0 Students use variables in simple expressions compute the value of the.
expression for specific values of the variable and plot and interpret the results. AF 1 2 Students use a letter to represent an unknown number write and evaluate simple. algebraic expressions in one variable by substitution. a A number y is five times greater than two added to a number x Write an. expression for y in terms of x If x 3 what is y y 5 x 2. b y 3x 2 what is y if x is 7,y 3x 2 when x 7, Los Angeles County Office of Education Mathematics 13. National Center to Improve the Tools of Education, Answer Key For The California Mathematics Standards. Algebra and Functions 1 0, 1 0 Students use variables in simple expressions compute the value of the. expression for specific values of the variable and plot and interpret the results. AF 1 3 Students know and use the distributive property in equations and expressions. with variables,A 7y 2 3 4y 2 3 4y 3 2,B 7y 6 12y 6. Algebra and Functions 1 0, 1 0 Students use variables in simple expressions compute the value of the.
expression for specific values of the variable and plot and interpret the results. AF 1 4 Students identify and graph ordered pairs in the four quadrants of the. coordinate plane,Plot these points a 4 3 b 3 2 c 2 5 d 5 1. Los Angeles County Office of Education Mathematics 14. National Center to Improve the Tools of Education,. Answer Key For The California Mathematics Standards Grade 5 i Introduction Answer Key For The California Mathematics Standards