Rounding Numbers for 3rd & 4th Graders

What is the first step in rounding a number?

• Add 1 to the number

• Identify the place value to round to

• Underline the number to the right

• Subtract 1 from the number

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What should you do if the number to the right of the place value is between 0 and 4?

• Keep the underlined number the same

• Decrease the underlined number by 1

• Round the number to the nearest ten

• Increase the underlined number by 1

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If the number to the right of the place value is between 5 and 9, what action should be taken?

• Decrease the underlined number by 1

• Round the number to the nearest hundred

• Keep the underlined number the same

• Increase the underlined number by 1

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

In the example, what is the place value being rounded to when rounding to the nearest hundred?

• The thousands place

• The units place

• The hundreds place

• The tens place

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does the number 8 tell the number 4 to do in the example of rounding to the nearest hundred?

• Stay the same

• Go down by 1

• Go up by 1

• Round to the nearest ten

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the rounded value of 3482 to the nearest hundred?

• 3480

• 3500

• 3400

• 3490

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

In the example, what is the place value being rounded to when rounding to the nearest tenth?

• The thousands place

• The units place

• The hundreds place

• The tens place

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does the number 2 tell the number 8 to do in the example of rounding to the nearest tenth?

• Go down by 1

• Round to the nearest hundred

• Go up by 1

• Stay the same

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the rounded value of 3482 to the nearest tenth?

• 3490

• 3500

• 3400

• 3480

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the main concept discussed in this lesson?

• Multiplication rules

• Rounding rules

• Subtraction rules

• Addition rules