lesson
Estimating Decimal Sums and Differences
Estimate sums and differences of decimals by rounding to nearby whole numbers or tenths.

Estimate sums and differences of decimals by rounding to nearby whole numbers or tenths.
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7 lessons
Add and subtract decimals to hundredths using models, place value strategies, and estimation to solve real-world problems.
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.