These activities are intended to reinforce place value and rounding conceptual understanding. Students are asked to:
Write numbers in expanded form, word and standard form
Solve rounding riddles
Compare numbers using place value concepts
Round numbers to the nearest 10, 100 or 1000
Solve riddles using place-value concepts
Add and subtract using place value
Although the activities are based on grade 3 standards, they are a great review for fif graders.