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Ohio's Academic Content Standards in Mathematics

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Return to Grade 9 Indicators

Ohio Standard: Number, Number Sense and Operations Standard
Grade Level Indicator: (Grade: 9) 2. Compare, order and determine equivalent forms for rational and irrational numbers.
1
Nutrients by the Numbers: Using Math to Explore Nutrition
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ORC# 1501
Resource Information
Resource URL: http://learning.blogs.nytimes.com/2002/10/03/nutrients-by-the-nu...
Resource Type: Instructional Resource -- Promising Practice
Discipline: Mathematics
Ohio Standards Alignment: Grades 5–9
Professional Commentary: Students strengthen their percentage and fraction skills by comparing the nutritional values of similar food products. They individually calculate their own daily intake of various nutrients and compare their diets to recommended daily percentages....
Career Fields: Health Science, Hospitality & Tourism, Human Services, General Career Skills
Projects: Standards First
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2
NAEP Assessment Item, Grade 12: Identify effect of changing certain digits on a number's value
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ORC# 11302
Resource Information
Resource URL: http://nces.ed.gov/nationsreportcard/itmrls/portal.asp?questionl...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 9–12
Professional Commentary: Students are asked to identify the effect of changing two digits on the value of a number. This multiple-choice question is a "medium hard" test item used in grade 12 in the 2005 National Assessment of Educational Progress (see About NAEP)....
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3
ODE Assessment Item, Grade 10: Identify an equivalent sequence of numerals
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ORC# 11731
Resource Information
Resource URL: http://ims.ode.state.oh.us/ODE/IMS/Assessment/Web_Content/CMA_AI...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 8–10
Professional Commentary: Students are asked to identify a sequence of numerals equivalent to a given sequence. This multiple-choice question is a sample item used in the 2008 Ohio Graduation Test (see Overview of Ohio's Assessment System). The URL link (above) takes the user directly to the OGT test item (PDF), with access to performance data, complexity level of the item, and discussion of incorrect responses....
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4
Fractions and Decimals: Number and Operations Session 7
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ORC# 11035
Resource Information
Resource URL: http://www.learner.org/channel/courses/learningmath/number/sessi...
Resource Type: Content Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 5–9, Postsecondary
Professional Commentary: This 3-lesson unit explores relationships between fractions and decimals and how to order and convert between fractions and decimals. Though written for teachers, there are problems and activities suitable for students in grades 5-9....
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5
ODE Assessment Item, Grade 10: Write measurements in scientific notation and then order them
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ORC# 11728
Resource Information
Resource URL: http://ims.ode.state.oh.us/ODE/IMS/Assessment/Web_Content/CMA_AI...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 8–11
Professional Commentary: Students are asked to write measurements in scientific notation and then order them from smallest to largest. This short answer question is a sample item used in the 2008 Ohio Graduation Test (see Overview of Ohio's Assessment System). The URL link (above) takes the user directly to the OGT test item (PDF), with access to performance data, complexity level of the item, scoring guidelines, and discussion of incorrect responses....
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6
NAEP Assessment Item, Grade 8: Convert Decimal to Fraction
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ORC# 1827
Resource Information
Resource URL: http://nces.ed.gov/nationsreportcard/itmrls/portal.asp?questionl...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 5–9
Professional Commentary: Students must identify which of five fractions is closest in value to .52. This multiple-choice question is a sample test item used in grade 8 in the 1992 National Assessment of Educational Progress (see About NAEP)....
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7
NAEP Assessment Item, Grade 12: Locate a Point on a Number Line
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ORC# 2035
Resource Information
Resource URL: http://nces.ed.gov/nationsreportcard/itmrls/portal.asp?questionl...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 5–10
Professional Commentary: Students are asked to plot the point 1.75 on a number line marked in thirds. This constructed-response question is a sample test item used in grade 12 in the 1992 National Assessment of Educational Progress (see About NAEP)....
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8
NAEP Assessment Item, Grade 8: Solve a Proportion Problem
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ORC# 1906
Resource Information
Resource URL: http://nces.ed.gov/nationsreportcard/itmrls/portal.asp?questionl...
Resource Type: Assessment Resource
Discipline: Mathematics
Ohio Standards Alignment: Grades 5–9
Professional Commentary: Students find a fraction equivalent to a given fraction. This multiple-choice question is a sample test item used in grades 8 and 12 in the 1990 National Assessment of Educational Progress (see About NAEP)....
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