Learn how to quickly divide a round number by a power of ten. Reduce the number of zeros on the quotient by the number of zeros on the divisor
B. Divide by factoring out powers of 10 from the divisor
C. Divide multi-digit round numbers mentally
D. List the multiples of a given 2-digit round number
E. Round a 3-digit number to the nearest multiple of a given 2-digit round number (Level 1)
F. Round a 3-digit number to the nearest multiple of a given 2-digit round number (Level 2)
G. Estimate a quotient by finding the nearest multiple
H. Estimate a quotient of a multi-digit division equation (Level 1)
I. Estimate a quotient of a multi-digit division equation (Level 2)