Saxon Math Kindergarten, Section 5: Counting to 100 & 3D Shapes
In this unit, kindergarten wraps up with big counting and solid shapes. Your child counts to 100 by ones and tens, starts counting from any number, and names cubes, cones, cylinders, and spheres, telling them apart from flat shapes by their faces and corners. After subtraction and measuring, this final part of the year stretches number sense and shape sense together, preparing your child for first grade.
By Robert “Bobby” BarnettMath teacher, parent, and founder of Bobby’s Math Club
What is my child learning in Section 5?
- Counting to 100 by ones and by tens, keeping the order of the tens from 10 all the way to 100. Learn more about counting to 100 by ones: Counting to 100 by ones · Learn more about counting to 100 by tens
- Counting forward from any number, such as 67, without going back to 1 first. Learn more: Counting on from any number
- Telling solid, or three-dimensional, shapes like cubes and spheres from flat, or two-dimensional, shapes like squares and circles. Learn more: Telling flat shapes from solid shapes
- Comparing solid shapes by their faces and corners, and by whether they roll, stack, or slide. Learn more: Comparing shapes by their sides and corners
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
What comes next? 10, 20, 30, 40, __
- 60
- 50
- 41
How you can help
- Count to 100 by tens with a jump on each ten, then pick a number like 67 and count on together to 75.
- Find a cube, a cylinder, a cone, and a sphere around the house, such as a toy block, a can, a party hat, and a ball, and let your child name each.
- Roll and stack the shapes you found, and ask your child which ones roll, which ones stack, and why they think so.
Where kids can get stuck
- Going back to 1 to continue a count, even after reaching 67 correctly.
- Calling a can a circle because of its round face, instead of a cylinder.
- Counting by tens to 90 and then saying 'ten-ty' instead of 100.
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
- count by tens
- Saying 10, 20, 30, and so on, up to 100.
- count on
- To start counting from a number other than 1, like 23, 24, 25.
- hundred
- The number 100, which is the same as ten tens.
- sphere
- A solid shape that is perfectly round, like a ball.
- cube
- A solid shape with 6 square faces, like a block.
- cylinder
- A solid shape with two round, flat ends, like a can.
- cone
- A solid shape with a round, flat bottom and a point at the top.
- face
- A flat surface on a solid shape, like each side of a box.
Want to help your child master counting and solid 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 Saxon Math Kindergarten Section 5 cover?
Saxon Math Kindergarten Section 5 covers these math standards. Each one links to what it means, sample questions, and teaching strategies.
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.