What is the primary focus of Dr. Tim Rasinski's work as mentioned in the video?

• Mathematics education

• Science and technology

• History and social studies

• Literacy and vocabulary development

What does the prefix 'bi' mean according to the video?

• Three

• Two

• One

• Four

How many lessons are included in the 'Weekly Word Roots' resource?

• 75

• 100

• 52

• 25

Which word root is associated with Valentine's Day in the 'Weekly Word Roots' resource?

• Re

• Tri

• Phil

• Grac

What is the ultimate goal of using 'Weekly Word Roots' in vocabulary instruction?

• To make students better at mathematics

• To help students become word-lovers and improve their reading skills

• To enhance students' artistic abilities

• To prepare students for sports competitions