Page 44 is part of the "Addition and Subtraction" unit. The exercises are designed to help 2nd graders develop mental math strategies and understand the relationship between parts and a whole. Breakdown of Key Exercises
: You will likely find tasks asking students to compare expressions using symbols ( >is greater than Solution :
. The goal is to move beyond counting on fingers and start recognizing number bonds to 10 and 20.
: These exercises usually require students to quickly solve equations like
: Encourage the student to reverse the operation (e.g., if should equal ) to verify their answer. Why Bashmakov & Nefedova?
: If a subtraction problem is tricky, draw circles or use small objects to represent the numbers. Break it Down : For a problem like , add to the next ten first ( ), then add the remainder (
The Bashmakov-Nefedova curriculum is known for its "Planet of Knowledge" (Planeta Znaniy) approach, which emphasizes logical thinking and varied problem-solving methods rather than just rote memorization.