Multi-Digit Multiplication and Estimation

Covers mental math multiplication patterns, writing products for basic facts multiplied by multiples of 10, 100, or 1,000, and finding variables.

Features exercises on estimating products by rounding one factor, choosing factors from a box, and a mixed review.

Explores multiplying two-digit numbers, identifying which place-value positions need regrouping, and comparing products.

Focuses on modeling multiplication, using base-ten blocks to multiply and record products, and interpreting a snowfall bar graph.

Covers multiplying three-digit numbers, identifying regrouping positions, finding products, and comparing equations.

Features exercises on multiplying four-digit numbers, explaining decimal placement in money products, and finding products.