Naismith, Frances
Collins easy learning mental maths: ages 7-9: quick quizzes/ Mental maths Frances Naismith - London: Collins, 2017 - 32 p.; 30 cm.
978-0-00-821259-9
Mental arithmetic--Study and teaching (Elementary)
Mathematics --Study and teaching (Elementary)
513.92
Collins easy learning mental maths: ages 7-9: quick quizzes/ Mental maths Frances Naismith - London: Collins, 2017 - 32 p.; 30 cm.
978-0-00-821259-9
Mental arithmetic--Study and teaching (Elementary)
Mathematics --Study and teaching (Elementary)
513.92