In this activity students roll dice to find 3 or 4 digit numbers. They set up an "actual" subtraction problem and then round to the nearest ten and hundred to find estimated differences.
This activity is great for small groups, center, partner work, or individual work.
CCSS: 3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based o place value, properties of operations, and/or the relationship between addition and subtraction
Objective: Students will estimate differences rounding to the nearest ten or hundred.