Mastering Multiplication of Mixed Numbers

What is the first step in solving a multiplication problem involving mixed numbers?

• Subtract the mixed numbers

• Divide the mixed numbers

• Add the mixed numbers

• Convert the mixed numbers to improper fractions

Tags

CCSS.5.NF.B.6

In the example problem, how many boxes of donuts did the teachers eat?

• 3 and 1/3 boxes

• 1 and 1/3 boxes

• 4 and 1/3 boxes

• 2 and 1/3 boxes

Tags

CCSS.7.EE.B.3

What is the purpose of estimating the product before solving a multiplication problem with mixed numbers?

• To find the exact answer

• To make the problem more complex

• To avoid solving the problem

• To check if the answer is reasonable

Tags

CCSS.5.NBT.B.7

What is the first step in Takota's strategy for multiplying mixed numbers?

• Convert the mixed number to an improper fraction

• Add the mixed numbers

• Draw a model

• Estimate the product

Tags

CCSS.5.NF.B.6

In Takota's strategy, what do you do after converting the mixed number to an improper fraction?

• Multiply across the top and bottom

• Add the fractions

• Divide the fractions

• Subtract the fractions

Tags

CCSS.7.NS.A.2A

What is the main advantage of Yuri's strategy for multiplying mixed numbers?

• It uses addition instead of multiplication

• It avoids large numerators and denominators

• It is faster

• It is more accurate

Tags

CCSS.5.NF.B.6

In Yuri's strategy, what do you do after breaking apart the mixed number?

• Divide the fractions

• Multiply the whole number and the fraction separately

• Subtract the fractions

• Add the fractions

Tags

CCSS.4.NF.B.3A

Which strategy involves using the distributive property?

• Both strategies

• Takota's strategy

• Yuri's strategy

• Neither strategy

Tags

CCSS.6.NS.B.4

What should you do if your answers from different strategies do not match?

• Ignore the discrepancy

• Choose the higher value

• Choose the lower value

• Recheck your calculations

Tags

CCSS.6.NS.B.3

What is the final step in both Takota's and Yuri's strategies?

• Convert the result back to a mixed number

• Subtract the fractions

• Add the fractions

• Divide the fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2