Topic 1B Reteach & Corrections on Test

Topic 1B Reteach

First you Need to complete this Reteach

Then you need to correct your Topi 1B Test

Converting Fractions & Decimals

• Fraction to Decimal Conversion

• Divide the numerator by the denominator

• Decimal To Fraction Conversion Determine

• Place value of last number the Place value is the denominator

• Simplify if possible

Multiple Choice

 $Write\frac{2}{5}\ as\ a\ decimal$ 

• 0.4

• 0.25

Multiple Choice

What is 0.15 in fraction form?

• $\frac{15}{10}$

• $\frac{3}{20}$

• $\frac{1}{5}$

Multiply & Divide Decimals

Multiply Decimals

Multiply like normal

Count the number of place values in the problem and make sure to have the same in your answer

Divide Decimals

First number inside the divisor

Divide by a whole number by changing the decimal place if needed

Multiple Choice

 $\frac{3}{7}\times\frac{1}{6}$  

•  $\frac{4}{13}$  

•  $\frac{1}{14}$  

•  $\frac{4}{42}$  

•  $\frac{18}{7}$  

Multiple Choice

 $\frac{1}{4}\div\frac{5}{8}$  

•  $\frac{5}{32}$  

•  $\frac{2}{5}$  

Multiply & Divide Fractions

Multiply Fractions

Multiply numerators Multiply denominators Reduce if possible

Divide Fractions

Multiply by the Reciprocal

Keep, Change, Flip

Multiple Choice

1.4 x 0.25

• 0.350

• 3.50

• 35.0

• 0.98

Multiple Choice

 $1.26\div0.06$  

• 0.21

• 2.1

• 21

Sign Rules

• Negative • Negative = Postive

• Negative • Positive = Negative

• Positive • Positive = Postive

• Positive • Negative = Negative

• SAME RULES FOR DIVIDING

Multiple Select

Which ones are positive answers?

• $\left(-\frac{1}{3}\right)\times0.8$

• $-4.2\div\left(-0.2\right)$

• $4.5\times-\frac{2}{3}$

• $-2.3\div\left(-1\frac{1}{2}\right)$

Multiple Select

Which ones are negatives answers?

• $\left(-\frac{1}{3}\right)\times0.8$

• $-4.2\div\left(-0.2\right)$

• $4.5\times-\frac{2}{3}$

• $-2.3\div\left(-1\frac{1}{2}\right)$

NEXT STEPS

Once you have answered all problems correctly, you may go into GoFormative and start corrections for half credit back. You must have 100% on this quizizz to receive half credit back