Grade 3: Computing
Start with a unit whose prerequisites fit. Work through the lessons, use the study guide to review, and try the new cases before continuing.
- Unit 1 · 4 lessons
Messages Travel through a Network
Using route A-R-B, send a three-part paper word with arrivals 3,1,2. Show restoration by number and explain what an absent acknowledgment can and cannot prove.
Before you begin: Follow labeled paths and order small whole numbers.
- Unit 2 · 4 lessons
Choose, Count and Test Decisions
Apply a condition, repeat it across items and test both branches of a rule.
Before you begin: Follow ordered drawing instructions; count up to six; compare small whole numbers.
- Unit 3 · 4 lessons
Design Data that Answers a Question
Plan a one-check table for three fictional boxes with IDsA,B,C and counts 2,3,4. Choose relevant fields, normalize an r material code and calculate a supported total.
Before you begin: Read small tables and add whole-number counts.
- Unit 4 · 4 lessons
Build a Paper Interactive Story
Design a paper story with Menu/play=Forest, Forest/home=Menu and a Read control. Test both links and the read response, reporting expected and actual results.
Before you begin: Read a link table and distinguish a reported value from a change.
Check what you can explain
The subject test uses additional supplied cases across these units. Its feedback links back to the relevant lessons. Use it to plan practice; a score on these questions is not a school grade or proof of complete subject mastery.
Open the subject test