Choose your own equivalent name
Build a valid route to another name, including grouping then refining.
Explore this lesson →10 practice questions · Optional read aloud · Thinking pad
Let’s understand the idea.
- Choose an equivalent target, then check every exact transformation.
- A route can group and then refine; the target denominator need not directly divide the original.
- Several correct routes and written names may represent the same amount.
Something to notice
Invite another route to the same target. Can the learner explain each operation and preserve the measure at every step? Record unaided reasoning separately from a revealed worked example.
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
Grade 4 · 4.NF · 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.