The hundred trail
Count by ones and tens, all the way to 100.
Explore this lesson →6 practice questions · Optional read aloud · Thinking pad
Let’s understand the idea.
- Each next number is one more. Start anywhere and keep going.
- A group of ten lets us count ten more at a time: 10, 20, 30…
- The trail ends at 100. Ten groups of ten make one hundred.
Something to notice
Also listen to the learner count aloud to 100 by ones and tens. Written sequence checks do not assess oral counting.
Try it. Change it. Explain it.
Open the lesson to use its pictures and controls. In How it works, connect the picture to the idea. In Play & discover, change the quantities and notice what stays the same. In Your turn, answer questions and use the explanation to check your reasoning.
You can ask for help, draw on the thinking pad, or listen to the question and answer options. Progress distinguishes independent work from work completed with help.
Let’s try it →Curriculum connection
Kindergarten · K.CC · US Common Core
This lesson is mapped to these standards. A completed activity is practice evidence, not a claim of mastery. Content is checked against the linked official standards and its mathematical models are tested.