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5th Grade Number Sense

Page history last edited by Katy Gallagher 14 years, 4 months ago

Home > Mathcasts Library > By Grade Level > K-7 > 5th Grade > 5th Grade Number Sense

Latest changes: 5th grade students from Miss Morningstar's class at Red Mill Elementary School have added a Voicethread on rounding and adding decimals.

Add your students' voices (and yours) to these VoiceThreads - Find out how!

5th Grade Number Sense: Standards and Practice Problem(s)	Mathcasts + ExamView
5NS.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.
5NS.1.1 Estimate, round, and manipulate very large (e.g., millions) and very small (e.g., thousandths) numbers.	View full-sized mathcast 5NS1-1 Ready EV 1 (25)
5NS.1.2 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.	5NS1-2 Ready
5NS.1.3 Understand and compute positive integer powers of nonnegative integers; compute examples as repeated multiplication.	5NS1-3 Ready
5NS.1.4 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).	5NS1-4 Ready
5NS.1.5 Identify and represent on a number line decimals, fractions, mixed numbers, and positive and negative integers.	5NS1-5 Ready
5NS.2.0 Students perform calculations and solve problems involving addition, subtraction, and simple multiplication and division of fractions and decimals.	1 (21)
5NS.2.1 Add, subtract, multiply, and divide with decimals; add with negative integers; subtract positive integers from negative integers; and verify the reasonableness of the results.	5NS2-1 Ready
5NS.2.2 Demonstrate proficiency with division, including division with positive decimals and long division with multidigit divisors.	5NS2-2 Ready
5NS.2.3 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.	5NS2-3 Ready
5NS.2.4 Understand the concept of multiplication and division of fractions.	5NS2-4 Ready Student voices
5NS.2.5 Compute and perform simple multiplication and division of fractions and apply these procedures to solving problems.	5NS2-5 Ready Student voices for each part

Keywords: addition, decimals, division, exponents, fractions, millions, mixed numbers, multiplication, operations with fractions, percents, prime factors, subtraction, thousandths, word problems.

Source: www.csun.edu/~vcmth00m/practice.html

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