How could you use a multiplication algorithm to multiply a 4-digit number by a 1-digit number? Choose all that apply.
A. Multiply each place value in order. Regroup if needed. Add any regrouped values to each place value
B. Add the digits in the 4-digit number and multiply by the 1-digit number.
C. Multiply to find the partial products and then add.
D. Use place value to rewrite the 4-digit number as a sum. Use the Distributive Property to find partial products. Add.
E. Multiply the digits in the 4-digit number and add the 1-digit number.