- Estimating by rounding,
- Adding and Subtracting 4 digit numbers
- Subtracting across zeroes
- Comparing numbers
- Problem Solving: Finding an exact answer or estimate
Steps for estimating by rounding,
- students should estimate to the place value position given,
- and if no position is given, then they should estimate to the highest place value position that both numbers share,
- then add or subtract.
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