Fraction and Decimal Basics

When adding or subtracting fractions the denominator represents the piece size and the numerator tells you how many pieces of the whole you have?

• True

• False

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

When multiplying fractions turn each number into a fraction (if not already, 8 = 8/1) and multiply numerators and denominators, then simplify.

• True

• False

Tags

CCSS.5.NF.B.6

When dividing fractions you change the problem into a multiplication problem by multiplying the reciprocal or multiplicative inverse of the divisor with the dividend?

• True

• False

Tags

CCSS.6.NS.A.1

Decimals are a number system based on powers of ten. In other words each number to the right of the next number represents 1/10th of 1 place value.

• True

• False

Tags

CCSS.5.NBT.A.3A

When adding numbers with decimals you align the correct place values then add. In other words, you add tenths to tenths and tens with tens.

• True

• False

Tags

CCSS.5.NBT.B.7

When subtracting numbers with decimals you align the correct place values then add. In other words, you subtract tenths from tenths and tens from tens. If you are taking away more then you carry or borrow one (which equals 10) from the number to the left and then subtract.

• True

• False

Tags

CCSS.5.NBT.B.7

When multiplying two numbers with decimals how do you know where to place the decimal in the product?

• Just guess where you think it should be.

• Choose the factor with the largest number of decimal places and place the decimal in the same place in your product.

• Count all decimal places for the two factors and place the decimal that many places from the left of the last number in your product.

• Multiply on the same number of decimal places otherwise your answer will be wrong.

Tags

CCSS.6.NS.B.3

When dividing with decimals it is important to multiply both numbers by a power of ten equal to the number with the most decimal places, then divide.

• True

• False

Tags

CCSS.5.NBT.B.7

When you multiply two _________ you will get a product.

Tags

CCSS.4.NBT.B.5

A divisor is the number that you will divide into a ____________.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2