By the age of ____ years, most children have learned the addition tables so well that the sums of single digit numbers can be retrieved from memory rather than recalculated.
A) eight or nine
B) six or seven
C) five or six
D) three or four

Question

By the age of ____ years, most children have learned the addition tables so well that the sums of single digit numbers can be retrieved from memory rather than recalculated.
A) ​eight or nine
B) ​six or seven
C) ​five or six
D) ​three or four

Quizplus · Accepted Answer

By the age of eight or nine years, most children have had sufficient exposure and practice with addition tables that they can retrieve sums of single digit numbers from memory without needing to recalculate.

By the Age of ____ Years, Most Children Have Learned