Rounding and Estimating Decimals

Round decimals to the underlined digit, nearest whole number, or nearest hundredth.

Estimate decimal sums and differences and compare expressions.

Add decimals using grid models and estimate to check sums.

Subtract decimals, estimate to check differences, and find missing digits.

Add and subtract decimals and find missing numbers in equations.

Evaluate the reasonableness of answers in decimal word problems.