3 (5 2) has 3 sets of these ∙ ∙ three sets of blocks with 5 (3 5) 2 has two sets of blocks with 3 rows and 5 columns in each ∙ ∙ rows and 2 set. columns in 2 sets of each set. B)
3 ∙ (5 ∙ 2) has three sets of blocks with 5 rows and 2 columns in each set. 3 sets of these (3 ∙ 5) ∙ 2 has two sets of blocks with 3 rows and 5 columns in each set. 2 sets of B)
Test-Bank-Mathematical-Reasoning-for-Elementary-Teachers-5th-Edition-Long.docx