Simplify division problems by factoring out powers of 10. Factor a power of ten out of the divisor. Then, divide the dividend first by that power of 10 and then by the other factor
A. Divide round numbers by powers of 10
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)