# Add & Subtract Multiples of 10 and 100 with the Number Line

## About This Product

Help prepare your students to mentally add and subtract **multiples of 10 and multiples of 100 **between 100-900 using the visual aid of a Number Line with NO PREP ready to print worksheets and digital Teaching Resources covering the Common Core Standard 2.NBT.B.8 and beyond.

There are 16 differentiated worksheets with the facility to create (almost) unlimited questions, enabling you as a teacher to set the appropriate level for all of your students and allow them to progress at the rate that is best for each one or repeat any one level if needed.

**Worksheet 1 to 3. Add and Subtract Multiples of 10 **

**Addition Questions**

Worksheet 1: The first addend is a multiple of 10, and the number line starts with a multiple of 100.

Worksheet 2: The first addend lies between 100 and 900, and the number line starts with a multiple of 100.

Worksheet 3: The first addend lies between 100 and 900, and the number line starts with a multiple of 10.

Subtraction Questions

Worksheet 1: The minuend is a multiple of 10, and the number line starts with a multiple of 100.

Worksheet 2: The minuend lies between 100 and 900, and the number line starts with a multiple of 100.

Worksheet 3: The minuend lies between 100 and 900, and the number line starts with a multiple of 10.

**Worksheet 4 and 5. Add and Subtract Multiples of 100**Number line - Multiples of 100 from 100 to 900 with subdivisions of 10

Worksheet 4: First Addend (addition) / Minuend (subtraction) are multiple of 10

Worksheet 5: First Addend (addition) / Minuend (subtraction) lies between 100 and 900

Worksheet 6 to 8. Add and Subtract Multiples of 10 CHALLENGES

Worksheet 6: The number line starts with a multiple of 100. First Addend / Minuend is a multiple of 10.

Worksheet 7: The number line starts with a multiple of 100. First Addend / Minuend lies between 100 and 900

Worksheet 8: The number line starts with a multiple of 10. First Addend / Minuend lies between 100 and 900

**Worksheet 9 and 10. Add and Subtract Multiples of 100 CHALLENGES**

Number line - Multiples of 100 from 100 to 900 with subdivisions of 10** **

Worksheet 9: First Addend / Minuend is a multiple of 10.

Worksheet 10: First Addend / Minuend lies between 100 and 900.

**Worksheet 11 to 13. EXTRA - Add and Subtract Multiples of 10 to 10,000**

Worksheet 11: The number line starts with a multiple of 1000. First Addend / Minuend is a multiple of 100.

Worksheet 12: The number line starts with a multiple of 1000. First Addend / Minuend is a multiple of 10.

Worksheet 13: The number line starts with a multiple of 100. First Addend / Minuend is a multiple of 10.

**Worksheet 14 to 16. EXTRA CHALLENGE - Add and Subtract Multiples of 10 to 10,000**

Worksheet 14: The number line starts with a multiple of 1000. First Addend / Minuend is a multiple of 100.

Worksheet 15: The number line starts with a multiple of 1000. First Addend / Minuend is a multiple of 10.

Worksheet 16: The number line starts with a multiple of 100. First Addend / Minuend is a multiple of 10.

**What are CHALLENGES ?**Students are now asked to find either the first or second addend for the addition questions, and either the minuend or subtrahend for the subtraction questions .

**Why (almost) Unlimited Worksheets ?**

At the click of a button all numbers are randomized, and will therefore change every time so you can create as many different worksheets for classwork, homework, review, preparing for assessments, or just simply practice at any time to keep the skill alive throughout the whole year.

**Teaching Pages**

*Designed for use with the Interactive whiteboard for whole class teaching or on a PC or Mac for one-to-one tuition to help introduce the pupils to the content of the Worksheets.*

*Students can come to the Whiteboard and enter solutions and get immediate feedback.*

**Teaching Page 1. Add and Subtract Multiples of 10 with the Number Line 100-900**

Click on a button and a number is chosen at random and pupils can enter their answer via a built in calculator and get instant feedback.

Both the equation and the sentence ' .... more than ....' or '.... less than ....' are shown simultaneously so pupils can see the connection.

This Teaching Page supports the content of Worksheets 1-3

**Teaching Page 2. Add and Subtract Multiples of 100 with the Number Line 100-900**

As above but now with hundreds being added or subtracted.

This Teaching Page supports the content of Worksheets 4 and 5

**Teaching Page 3. Add and Subtract Multiples of 100 with the Number Line to 10,000**

As above but now with numbers up to 10,000

This Teaching Page supports the content of Worksheets 11 to 13

**Answers **can be found on the second page of every worksheet, automatically generated when you create a new worksheet.

**Note**

*These resources are PDF documents and work with the official Adobe Acrobat Reader on Windows or Mac computers with the randomising buttons also working via a touchscreen (*

**Common Core 2nd Grade**

CCSS2.NBT.B.8

Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.