Need quick practice for rounding and estimation? This FREE resource helps students round 2-digit numbers to the nearest ten and use rounding to estimate sums and differences. Perfect for 2nd grade, intervention, and review. Skills included: Rounding to the nearest ten (2-digit) Estimating sums (2-digit) Estimating differences (2-digit)What’s included: 2 pages: rounding to the nearest ten (2-digit) 1 page: estimating sums (2-digit) 1 page: estimating differences (2-digit) Answer keys included