Montana PK-12 Mathematics Content Standards / Common Core State Standards for Mathematics (CCSS-M)-aligned Montana standards — Montana
MAST Grade 8 Bivariate Data. Practice it free.
Students use a line of best fit to model data and describe data patterns. This Grade 8 reporting domain maps to 2 practice skills and 8 representative questions from the playable bank.
What the test measuresStandards basis How the MAST reports it Blueprint & weighting Official sources
Bivariate Data skills
Use a line of best fit to model data and solve problems.
Describe data patterns.
Standards: 8.SP.1, 8.SP.2, 8.SP.3, 8.SP.4
Montana’s MAST is a state-specific through-year assessment built by New Meridian and aligned to Montana’s academic content standards, not a Smarter Balanced-style claims/targets framework. The math blueprints organize content into grade-level strands/testlets that map directly to CCSS-M-derived Montana standards.
The blueprint publishes a through-year design of 12 strands/testlets per grade, with 1 strand per testlet, 2 reporting attributes per strand, and 9–13 items per testlet. It also specifies approximate item-type and DOK distributions, but does not publish percentage weighting by domain in the captured blueprint text.
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Montana OPI - MasteryGuide Mathematics Assessment Specifications and Blueprints
Montana OPI - Montana MAST Math Testlets
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8 free questions · 0/0 correct
A trend line for the number of car washes a club holds and the club's funds in dollars is . According to the line, how many dollars did the club have before holding any car washes?
At , dollars: the -intercept is the starting amount.
A two-way table has rows Dog/Cat and columns Boys/Girls: Dog&Boys=10, Dog&Girls=6, Cat&Boys=5, Cat&Girls=9. How many chose Dog in total?
Row total for Dog: .
A trend line for miles jogged and calories burned is . How many calories does the line predict for a -mile jog?
calories.
A two-way table has rows Dog/Cat and columns Boys/Girls: Dog&Boys=10, Dog&Girls=6, Cat&Boys=5, Cat&Girls=9. What fraction of all surveyed were Dog and Boys? Simplify.
.
A trend line predicts Mia will spell words correctly in a spelling bee. She actually spells words correctly. What is the residual (actual minus predicted)?
Residual words.
A two-way table has rows Bus/Walk and columns 6th/7th: Bus&6th=12, Bus&7th=8, Walk&6th=4, Walk&7th=16. How many were surveyed in total?
Add all cells: .
A line of best fit for the number of lawns Jaden mows and his savings in dollars is . According to the line, how many dollars did Jaden have saved before mowing any lawns?
At lawns, : the -intercept is the starting savings.
A two-way table has rows Bus/Walk and columns 6th/7th: Bus&6th=12, Bus&7th=8, Walk&6th=4, Walk&7th=16. How many chose Bus in total?
Row total for Bus: .
Keep practicing
Turn bivariate data into game time.
The MAST placement starts with this test's real coverage map and finds the right difficulty.
Source and test overview
Reporting categories
More Grade 8 domains
Understand and Use Irrational NumbersStudents approximate irrational numbers and solve equations involving square roots and cube roots.8 QsPractice →Exponent Rules and Scientific NotationStudents apply rules of exponents and use scientific notation to solve problems.8 QsPractice →Construct FunctionsStudents construct a function and interpret and analyze function components.8 QsPractice →Linear Equations in One VariableStudents recognize different solution types and solve linear equations with rational number coefficients.8 QsPractice →Proportional Relationships and LinesStudents use slope and equations of a line to solve problems and graph proportional relationships.8 QsPractice →Systems of EquationsStudents solve systems of equations algebraically or from verbal descriptions and estimate solutions from graphs.8 QsPractice →