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How rewards work

📒 See my notebook: everything I've played

XP: 0 in all · Level 1

Every right answer gives you XP: 6 on the easiest questions, up to 14 on the hardest, plus 2 more for each answer in a row (up to +10). Lessons you've already mastered give half, so try something new for the most! Every 200 XP, you reach a new level.200 XP to Level 2

Coins: 0

Earn 5 coins for each star in Practice. In Math Race, get 10 for a win or 5 for finishing. In Monster Battle, get 10 for beating the monster or 3 for trying. In Asteroid Blaster, get 10 for finishing a mission or 3 for trying. Every Maze Quest gives 10. Spend them in Digit's House on hats, glasses, mustaches, pets, room decorations, and big room makeovers!

Streak: 0 days

Finish a game on different days in a row to grow your streak. Miss a day and it starts over, unless you have a 🛡️ streak shield from Digit's House: it saves your streak for one missed day (you can keep 2).

Badges

Earn badges for big moments: your first 3-star round, beating every monster, a 7-day streak, finding treasures, and more. See them all, and how close you are, on the badge wall in Digit's House.

Difficulty

Get 3 right in a row and questions get trickier. Miss 2 in a row and they get easier. Each skill remembers where you are.

The games

Practice

10 questions. Get most of them right for up to 3 stars. Use a hint if you're stuck.

Math Race

Get 10 right to reach the finish before Digit. A wrong answer doesn't move you back, but the clock keeps ticking. Win and Digit gets faster next time.

Monster Battle

The monster has 8 HP and you have 3 hearts. Each right answer throws something silly at it. Get 2 in a row to switch on ⚡ super power: then every hit does double damage until you miss. A wrong answer lets the monster take a heart. No clock, so take your time.

Asteroid Blaster

10 waves of falling asteroids, each with an answer. Tap the right one to blast it. Faster shots and streaks score more points. You have 3 shields: a wrong tap or a missed asteroid uses one.

Maze Quest

Help Digit through a maze with 8 locked doors. Answer to open each door; open it on the first try for a 💎. No clock and no lives: a wrong answer just means a new question. A treasure waits at the end. Can you find all 12?

Daily Challenge

One puzzle a day, the same for everyone in your grade. Your first try counts and earns 15 coins. Do one every day to grow your Daily streak, and share your result card with family!

Brain Break

A break from math: two fun questions about animals, space, our world, and more, every day. Each right answer earns 5 coins, and you'll learn a cool fact either way.

Challenge a friend

After a game, send a link. Your friend gets the exact same questions and tries to beat your score.

Settings

Read questions out loud
🔊 Read questions out loud by itself

The 🔊 button is on every question in every grade, so anyone can tap it to hear one. This setting only decides when questions are read without tapping.

Voices come from this device and browser. Ones marked “Natural”, “Neural”, or “Google” sound most like a real person. Microsoft Edge has extra natural voices built in. Pets, monsters, and Nibbles each get their own pitch and speed.

📲 Install the appOpen agarwalmath from the home screen, full screen, like an app. Free, no app store.How to install
← Story problems to 20
Level:EasierLevel 2Level 3Level 4Harder
🔀 Make a different worksheet

12 questions and an answer key (on the last page). Free to print and share with your class or family.

πagarwalmath · 1st grade · Common Core 1.OA.A.1

🕵️ Story problems to 20

Add/subtract story problems within 20, unknown in any position

Name: ______________________Date: ____________

  1. 1The class library has 14 books. 4 are storybooks and the rest are science books. How many science books are there?

    Answer: ______________ books

  2. 2Leo has 18 cards. Sam has 10 cards. How many more cards does Leo have than Sam?

    Answer: ______________ cards

  3. 3Priya finds 7 shells at the beach. Then Priya finds 2 more shells. How many shells does Priya have now?

    Answer: ______________ shells

  4. 4Sam has 9 crayons. 3 are red and the rest are blue. How many crayons are blue?

    Answer: ______________ crayons

  5. 5Omar caught 18 fish. Priya caught 16 fish. How many more fish did Omar catch than Priya?

    Answer: ______________ fish

  6. 6The gym has 12 soccer balls and 4 basketballs. How many balls does the gym have?

    Answer: ______________ balls

  7. 7There are 20 apples in a basket. 16 are red and the rest are green. How many apples are green?

    Answer: ______________ apples

  8. 8Rosa picks 7 apples. Rosa puts some apples in a pie. Now Rosa has 3 apples left. How many apples went in the pie?

    Answer: ______________ apples

  9. 9Aiden bakes 5 cookies. Then Aiden bakes 6 more cookies. How many cookies are there now?

    Answer: ______________ cookies

  10. 105 frogs sit on a log. Some frogs jump into the pond. Now 3 frogs are left on the log. How many frogs jumped into the pond?

    Answer: ______________ frogs

  11. 1113 ducks swim in a pond. Some ducks waddle away. Now 6 ducks are left in the pond. How many ducks waddled away?

    Answer: ______________ ducks

  12. 12Omar picks 3 apples. Then Omar picks some more apples. Now Omar has 10 apples. How many more apples did Omar pick?

    Answer: ______________ apples

Answer key: Story problems to 20

  1. 1. 10 books
  2. 2. 8 cards
  3. 3. 9 shells
  4. 4. 6 crayons
  5. 5. 2 fish
  6. 6. 16 balls
  7. 7. 4 apples
  8. 8. 4 apples
  9. 9. 11 cookies
  10. 10. 2 frogs
  11. 11. 7 ducks
  12. 12. 7 apples

Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/word-mystery

agarwalmath.com · free K–5 math games, no adsClass code: ____________

All 1st grade lessons and worksheets