Finding answer keys for the Math Makes Sense 4 Practice and Homework Book can be a challenge. Most "better" PDF resources are locked behind teacher portals to ensure students actually practice the work.
A better resource is one that models the mathematical thinking expected in Grade 4. For example, a quality answer for "Show 345 in expanded form" should not just say "300 + 40 + 5" but also note: "Remember: 3 hundreds, 4 tens, 5 ones." Finding answer keys for the Math Makes Sense
Ms. Carmichael’s Class: Provides a complete PDF of the Practice and Homework Book which includes lesson summaries and "homework" pages. For example, a quality answer for "Show 345
Teacher’s Edition PDF: The most reliable source is the Math Makes Sense 4 Teacher’s Guide. It contains full-size scans of every student page with answers filled in. It contains full-size scans of every student page