Core Concepts and Principles Flashcards

What is the value of the digit 7 in the number 4,705.2?

Answer: 700

The 7 is in the hundreds place, so its value is 7 × 100 = 700.

Which statement best describes a supporting detail in an informational text?

Answer: A fact or example that helps explain the main idea

Supporting details are facts, examples, or reasons that back up the main idea.

Which fraction is equivalent to 3/4?

Answer: 9/12

Multiplying numerator and denominator of 3/4 by 3 gives 9/12.

Which of the following numbers is prime?

Answer: 29

29 has only two factors, 1 and itself, while the others are divisible by 3 or 7.

In literature, the theme of a story is best defined as:

Answer: The central message or lesson about life

Theme is the underlying message or universal lesson the author conveys.

A rectangle is 8 cm long and 5 cm wide. What is its area?

Answer: 40 sq cm

Area of a rectangle equals length × width, so 8 × 5 = 40 square centimeters.

A reader figures out the meaning of an unfamiliar word by looking at the surrounding sentences. This strategy is called using:

Answer: Context clues

Context clues are hints in nearby words and sentences that reveal a word's meaning.