- Estimate to the nearest ten
- Round to the nearest ten
- Round to the nearest ten or hundred
- Round to the nearest ten, hundred, or thousand
- Estimate sums
Sunday, April 28, 2013
2.NBT.7 Estimating Test Prep
2.NBT.7 Add and subtract within 1000, 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. Understand that in adding or subtracting three digit numbers, one adds or
subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it
is necessary to compose or decompose tens or hundreds.