Question A: Addition without recourse to the top order, with two portions of two numbers: 35 + 42.
Question B: Addition with recourse to the top order, with two portions, being the first with three numbers and the second with four numbers: 278 + 3456.
Question C: Subtraction with recourse to the top order in the order of tens with three numbers in the minuend and in the subtrahend: 839 − 454.
Question D: Subtraction with recourse to the order of the tens and of the units, with three numbers in the minuend and in the subtrahend: 942 − 583.
Question E: Multiplication by 1 with three numbers in the multiplier: 121 × 1.
Question F: Multiplication by zero and with three numbers in the multiplier: 784 × 0.
Question G: Multiplication of one number in the multiplier by three numbers in the multiplicand: 743 × 2.
Question H: Multiplication of two numbers in the multiplier and in the multiplicand: 45 × 16.
Question I: Division of 100 by 2.
Question J: Division of a number with three digits in the dividend by one digit in the divider.