Rounding Numbers Made Easy with a Fun Trick

What is the first step in the hill and valley method for rounding numbers?

• Count backwards from the number

• Write the number in words

• Draw a hill with valleys

• Draw a straight line

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

When rounding 38 to the nearest tens place, what number is placed in the first valley?

• 8

• 5

• 4

• 3

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Where does the number 38 fall on the curvy number line between 30 and 40?

• Exactly in the middle

• Closer to 30

• Closer to 40

• At the start of the line

Tags

CCSS.2.MD.B.6

What happens to the toy car when rounding 32 to the nearest tens place?

• It moves backward to 30

• It stays at 32

• It falls off the line

• It moves forward to 40

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

How do you handle a number that ends in five when rounding to the nearest tens place?

• Move it backward

• Leave it as it is

• Round it to the nearest hundred

• Move it forward

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the middle number when rounding 427 to the nearest hundreds place?

• 450

• 400

• 425

• 475

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Where does 427 fall on the number line between 400 and 500?

• Closer to 500

• Exactly in the middle

• At the start of the line

• Closer to 400

Tags

CCSS.2.MD.B.6

What is the first step when rounding 68,799 to the nearest ten thousand place?

• Underline the ten thousand place

• Underline the tens place

• Write the number in words

• Count the digits

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the middle number when rounding 68,799 to the nearest ten thousand place?

• 65,000

• 70,000

• 60,000

• 68,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Where does 68,799 fall on the number line between 60,000 and 70,000?

• Closer to 70,000

• At the start of the line

• Exactly in the middle

• Closer to 60,000

Tags

CCSS.4.NBT.A.2