🔢Math Standard
Addition Within 20 Worksheet
Practice addition facts with sums up to 20, with a number line to count on from the larger number.
1st Grade 12 min
✓ Answer key
Grade 1 Math Review Pack
A set of free printable 1st grade math worksheets reviewing the year's core skills — addition and subtraction within 20, place value, fact families, shapes, and money. Each worksheet includes an answer key.
Reviewed by ClassReady Editorial Team Last updated August 2026
Who it's for
Teachers reviewing first-grade math at the end of the year, parents practicing skills over the summer, and tutors building number fluency.
What's included
7 printable worksheets with answer keys.
A week of first-grade math review
This pack gathers seven free worksheets that cover the core first-grade math skills — perfect for the end of the year, summer review, or a tutoring session.
What’s inside
- Addition within 20 — fluency with sums to 20.
- Subtraction within 20 — fluency with differences within 20.
- Subtraction word problems — take-away and compare story problems.
- Ten more, ten less — place value and counting by tens.
- Fact families — the connection between addition and subtraction.
- Counting coins — pennies and nickels.
- 2D shapes — naming flat shapes.
Every worksheet is low-ink, print-friendly, and comes with a separate answer key.
How to use this pack
- End-of-year review: one sheet per day for a week.
- Summer packet: pair it with the rising 2nd grade packet.
- Tutoring: pick the sheet that matches the skill your student needs most.
Frequently Asked Questions
Is this pack free?
Yes. All ClassReady Printables worksheets are free to download and print, no sign-up required.
Do the worksheets come with answer keys?
Yes. Every worksheet in the pack includes a separate printable answer key.
What grades is this for?
It’s written for 1st grade, but it also works for end-of-kindergarten enrichment or 2nd grade review.
Worksheets in this pack
🔢Math Standard
Subtraction Within 20 Worksheet
Practice subtraction within 20, using a number line to count back or count up to the answer.
1st Grade 12 min
✓ Answer key
🔢Math Standard
Subtraction Word Problems Worksheet
Subtraction shows up in stories as things being taken away or compared. Solve each story problem and label your answer.
1st Grade 15 min
✓ Answer key
🔢Math Standard
Ten More, Ten Less Worksheet
Find 10 more and 10 less than a number by adding or removing one tens rod.
1st Grade 12 min
✓ Answer key
🔢Math Standard
Fact Families Worksheet (Addition & Subtraction)
Write the four facts in each fact family using the same three numbers.
1st Grade 12 min
✓ Answer key
🔢Math Easy
Counting Coins: Pennies and Nickels Worksheet
Pennies are worth 1 cent and nickels are worth 5 cents. Count each set of coins and write the total.
1st Grade 12 min
✓ Answer key
🔢Math Easy
1st Grade Geometry: 2D Shapes and Their Sides
Name each 2D shape and tell how many sides and corners it has.
1st Grade 12 min
✓ Answer key
Suggested 5-Day Plan
- 1 Day 1 — Addition and subtraction within 20.
- 2 Day 2 — Subtraction word problems.
- 3 Day 3 — Place value: ten more and ten less.
- 4 Day 4 — Fact families and counting coins.
- 5 Day 5 — 2D shapes review.
Related Collections
📦 Practice Pack
Grade 1 Addition & Subtraction Practice Pack
A sequenced set of free printable 1st grade addition and subtraction worksheets, from facts within 10 up to within 20. Each worksheet has a number line and an answer key.
4 worksheets 📦 Practice PackGrade 2 Time & Money Practice Pack
A set of free printable 2nd grade worksheets covering two real-world skills — telling time and money. Includes analog clocks and coin counting, each with an answer key.
4 worksheetsFrequently Asked Questions
Is this 1st grade math review pack free?
Yes. Every worksheet is free to download and print, and each includes an answer key.
Which skills does the pack cover?
Addition and subtraction within 20, subtraction word problems, place value (ten more/ten less), fact families, counting pennies and nickels, and 2D shapes.