i-Ready Classroom Mathematics Grade 5, Unit 6: Geometry and the Coordinate Plane
In this unit, your child closes the year with the coordinate plane and two-dimensional shapes. They plot points with ordered pairs, graph pairs from two number patterns, and interpret graphs of real situations. They also classify figures into a hierarchy by their properties, such as every square being a rectangle. After the measurement and volume unit, it rounds out the year's reasoning about location and shape.
By Robert “Bobby” BarnettMath teacher, parent, and founder of Bobby’s Math Club
What is my child learning in Unit 6?
- Graphing pairs from two patterns, like add 1 and add 3, and noticing that every second term is three times its partner. Learn more: Comparing two number patterns on a grid
- Plotting and naming points with ordered pairs, where the x-coordinate goes across and the y-coordinate goes up. Learn more: Finding points on a grid, like (6, 3)
- Interpreting graphs of real situations, like money saved over several weeks, and explaining what each point shows. Learn more: Plotting real-life points on a grid
- Deciding which properties a shape has because of the categories it belongs to, like rectangles having four right angles. Learn more: Why a square is also a rectangle
- Classifying quadrilaterals into a hierarchy based on parallel sides, equal sides, and right angles. Learn more: Sorting four-sided shapes into a family tree
Sample questions to try together
These are real questions from our practice. Tap the speaker to hear one read aloud, or the light bulb for a hint, and talk about the answer together.
Question 1 of 3
Ana and Luis both start with $0. Each week, Ana saves $5 and Luis saves $10. When Ana has $15, how much does Luis have?
- $25
- $40
- $30
How you can help
- Graph savings with your child: $3 a week for 6 weeks. Plot each pair as (week, dollars) and ask what the point (4, 12) means.
- Collect a few flat things at home, like a book, a floor tile, and a cracker. Ask your child to list every shape family each one belongs to, from quadrilateral down to square.
- Draw a grid on graph paper and write your child a secret message, with letters at points like (3, 1) and (5, 4). They plot each point to decode it.
Where kids can get stuck
- Starting each point from the last one plotted instead of from the origin, so (4, 5) is counted from (2, 3).
- Comparing numbers within one list, so they see “add 3” but miss that each second term is triple its partner.
- Placing a square in only one group, missing that it is also a rectangle, a rhombus, and a parallelogram.
Practice makes perfect
Bobby's Math Club has practice problems that adapt to your child’s level, each with a detailed explanation and an easy-to-follow video, so your child can build confidence in these skills one step at a time.
Words your child will hear
- coordinate plane
- A grid made by two number lines that cross at 0, used to locate points.
- ordered pair
- A pair like (6, 2) that says how far across, then how far up.
- x-coordinate
- The first number in an ordered pair, telling how far across to go.
- y-coordinate
- The second number in an ordered pair, telling how far up to go.
- pattern
- A list of numbers that follows a rule, like 0, 3, 6, 9.
- quadrilateral
- A polygon with four sides and four angles.
- parallelogram
- A quadrilateral whose opposite sides are parallel and the same length.
- rhombus
- A four-sided shape with all four sides the same length.
- hierarchy
- A family tree that shows which groups of shapes fit inside others.
Want to help your child master the coordinate plane and shapes?
In Bobby's Math Club, your child practices these skills at just the right level, with a hint when they need one, a clear explanation after every question, and kid-friendly videos. Unlimited practice is free.
Join the club
Written by Robert “Bobby” Barnett
Bobby is an award-winning math teacher, the author of Meet Every Learner’s Needs, and the father of two elementary-school math learners. He uses Bobby’s Math Club with his own kids a few times every week. Learn more or contact Bobby.
Which math standards does i-Ready Classroom Mathematics Grade 5 Unit 6 cover?
i-Ready Classroom Mathematics Grade 5 Unit 6 covers these math standards. Each one links to what it means, sample questions, and teaching strategies.
- 5.OA.B.3: Make two number patterns from two rules, and compare them.
- 5.G.A.1: Find and plot points on a coordinate grid, like (6, 3).
- 5.G.A.2: Graph points on a coordinate grid to solve real-life problems.
- 5.G.B.3: Know that a square has everything a rectangle has, because it is one.
- 5.G.B.4: Sort shapes into families by their sides and angles.
For teachers: Unit names and order vary between editions and districts, so your school’s own materials have the exact sequence. Learn how Bobby's Math Club can help your students grow.