Learn how to estimate a quotient. Round the divisor to its leftmost place. Then, round the dividend to the nearest multiple of the rounded divisor. Find the approximate quotient
A. Divide round numbers by powers of 10
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)
H. Estimate a quotient of a multi-digit division equation (Level 1)
I. Estimate a quotient of a multi-digit division equation (Level 2)