Maths Challenge - Maths Challenge 1 - Adding and subtracting two-digit numbers - 大象传媒 Sounds
Maths Challenge - Maths Challenge 1 - Adding and subtracting two-digit numbers - 大象传媒 Sounds
Maths Challenge 1
Adding and subtracting two-digit numbers
Ralph van Dijk has the questions and the subject of today's quiz is the addition and subtraction of two-digit numbers.