3rd Grade Adding and Subtracting Within 1,000 Worksheet (PDF)

3rd Grade math worksheet: Adding and Subtracting Within 1,000 – Maths PDF

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This grade 3 add subtract 1000 worksheet for 3rd Grade covers adding and subtracting within 1,000 (Common Core 3.NBT.A.2), with a free PDF to print.

Grade 3 add subtract 1000 worksheet (3rd Grade) – first page of the printable PDF

These 23 problems practice adding and subtracting whole numbers within 1,000 (Common Core 3.NBT.A.2). Start with sums and differences that need no regrouping, then move to regrouping ones, tens, and hundreds, and subtracting across zeros.

Block pictures, number lines, and tape diagrams help you see each step. The last six problems are word problems that use adding, subtracting, estimating, and checking.

Grade 3 · Common Core State Standards: 3.NBT.A.2

Grade 3 add subtract 1000 worksheet: exercises 1 to 10

Exercise 1 – Add, no regrouping

Find \(413 + 275\).

Exercise 2 – Subtract, no regrouping

Find \(876 – 354\).

Exercise 3 – Add with blocks

Dana (143) and Eli (128) each show their sticker count with blocks.

Dana and Eli collect stickers. Add the two block pictures to find how many stickers they have in all.

Exercise 4 – Regroup the ones

Find \(276 + 158\).

Exercise 5 – Regroup the tens

Find \(462 + 371\).

Exercise 6 – Regroup twice

Add the columns from right to left.

Find \(586 + 247\).

Exercise 7 – Subtract and regroup a ten

Find \(814 – 539\).

Exercise 8 – Subtract and regroup a hundred

Find \(453 – 281\).

Exercise 9 – Subtract across zeros

The zeros need regrouping first.

Find \(400 – 167\).

Exercise 10 – Read the number line

Start at 358 and jump to add 226.

The jumps show \(358 + 226\). Write the number where the last jump lands.

Exercises 11 and up

Exercise 11 – Count up to subtract

Count up from 257 to 612.

Add the three jumps to find \(612 – 257\).

Exercise 12 – Make a friendly number

Find \(398 + 145\) by adding 400 and then taking away 2.

Exercise 13 – Compensate to subtract

Find \(502 – 298\) by first subtracting 300.

Exercise 14 – Estimate first

Round each number to the nearest hundred to estimate \(487 + 316\). Then find the exact sum and decide if it is reasonable.

Exercise 15 – Check with the inverse

Find \(735 – 468\). Then use addition to check.

Exercise 16 – Compare totals

Which is greater, \(349 + 275\) or 612? Compute the sum, then tell which is greater.

Exercise 17 – Find the missing digit

A digit is missing: \(4? 7 + 258 = 705\). Find the missing digit.

Exercise 18 – Library books

Add the two parts to find the total.

The library at Maya’s school has 268 picture books and 359 chapter books. How many books does it have in all?

Exercise 19 – Ticket sales

The Little League snack stand sold 485 tickets on Saturday and 296 tickets on Sunday. How many tickets did it sell in all?

Exercise 20 – Apples left

Subtract the sold apples from the total.

Diego brought 750 apples to the farmers market. He sold 387 of them. How many apples were left?

Exercise 21 – Bake sale total

A bake sale had 164 muffins, 238 cookies, and 119 brownies. How many treats were there in all?

Exercise 22 – Pages left

Priya’s book has 600 pages. She read 175 pages last week and 208 pages this week. How many pages are left to read?

Exercise 23 – Find the mistake

Aisha solved 502 − 237 and wrote 335. She subtracted the smaller digit from the larger digit in every column. Find the correct difference and explain her mistake.

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Key facts behind this grade 3 add subtract 1000 worksheet

Key facts

Within 1,000 means every number and every answer is 1,000 or less.
10 ones make 1 ten and 10 tens make 1 hundred; trading them is called regrouping.
In addition, regroup when a column sum is 10 or more.
In subtraction, regroup when the top digit is smaller than the bottom digit.
Check a subtraction by adding the difference to the number subtracted.

How to use this grade 3 add subtract 1000 worksheet

Work through the exercises in order: they go from simple to challenging. Write every step on paper, then compare with the solutions page and redo any exercise you missed the next day.

Download the grade 3 add subtract 1000 worksheet as a PDF with the button below and keep it with your notes.

All Grade 3 chapters: Grade 3 math.

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