3
2Keywords:
addition
strategies
subtraction
Students explain why a range of students' answers to a maths problem are incorrect.
Displaying results 101 to 102 of 102.
23
4
8Keywords:
addition
key competencies
subtraction
Student solve addition problems where the missing value is located in different positions. This may mean that students transform the problem into a subtraction one. Students reflect on the easiest and hardest problems, and explain their choice.