5th Grade Math Rules

The place value right before the decimal is called the _______.

• ones

• tenths

• tens

• hundreds

Tags

CCSS.5.NBT.A.3A

The place value right after the decimal is called the __________.

• tens

• tenths

• thousands

• hundrenths

Tags

CCSS.5.NBT.A.3A

Four place values to the LEFT of the decimal is the _______________.

• millions

• hundreds

• thousands

• hundred thousands

Tags

CCSS.5.NBT.A.3A

Three place values BEHIND the decimal is the _______________.

• thousands

• millionths

• ones

• thousandths

Tags

CCSS.5.NBT.A.3A

When dividing with decimals, if the dividend (in the house) has a decimal you -

• "Raise the Roof"

• ignore the decimal

• move it over 2 places

• add a decimal in the divisor

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

When dividing with decimals, if the divisor (on the outside) has a decimal you-

• ignore all decimals and divide like normal

• "Slide & Slide"

• count place value and move that many to left

• "Raise the Roof"

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

Tags

CCSS.5.NBT.B.7

When multiplying with decimals, you -

• line up the decimals

• "Raise the roof"

• "Slide & Slide"

• bump out the decimals, multiply, & bump them back in

Tags

CCSS.5.NBT.B.7

When adding or subtracting fractions, you -

• use our 4-box method

• only add/subtract numerators & add/subtract denominators

• keep change flip

• do not need to find common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When multiplying fractions, you -

• multiply the numerators & multiply the denominators

• keep change flip

• find common denominators

• do not have to reduce

Tags

CCSS.5.NF.B.6