: Provides video lessons and summaries that align with the national curriculum topics found in Part 2, such as properties of addition. Practical Tips for Completing Assignments
: Understanding the meaning of these operations as repeated addition or sharing into equal groups.
: Remember the commutative property (you can swap addends) and associative property to simplify mental math. : Provides video lessons and summaries that align
: Solving two-step problems involving money, length, and weight. Homework Help Resources
: Always look for parentheses first. If there are none, perform multiplication/division from left to right, then addition/subtraction. : Solving two-step problems involving money, length, and
: Learning to perform multiplication and division before addition and subtraction in expressions without parentheses.
: For geometry problems involving perimeter, drawing the figure and labeling each side helps prevent calculation errors. : Learning to perform multiplication and division before
: Provides a comprehensive repsitory of answers for 2nd-grade mathematics , including various versions of the Demidova textbook.