6th Grade Math - The Number System - NS.1 - N.S.4 - Claims and Explain Thinking Introduction

Analyze the fraction model.

Will Alannah be able to stay in business based on the information below?

Lorenzo subtracted 38.2 from 450, and came up with 68 as the answer. Do you believe his answer is reasonable? Explain why or why not.

Do you support Kyla or Erin's claim? Explain.

Armin states that the GCF of three even numbers is always the smallest number of the three. Do you agree with Armin's statement? Prove your assertion with an example.

Felipe tells his friend, Lola, that the GCF and LCM for a number and its double are always the same. For example, the GCF and LCM of 8 and 16 are equal to one another.