π

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
← Rooms, fences & fields
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 · 4th grade · Common Core 4.MD.A.3

🏡 Rooms, fences & fields

Area and perimeter formulas

Name: ______________________Date: ____________

  1. 1One field is 50 meters long and 18 meters wide. Another is 36 meters long and 16 meters wide. How many more square meters does the bigger field have?

    Answer: ______________ square meters

  2. 2One field is 48 meters long and 11 meters wide. Another is 24 meters long and 29 meters wide. How many more square meters does the bigger field have?

    Answer: ______________ square meters

  3. 3Maya puts a fence all the way around a garden shaped like this plan. How many feet of fence does Maya need?

    🌻?7 ft6 ft?12 ft19 ft

    Answer: ______________ feet

  4. 4A path goes all the way around the edge of this playground. How long is the path?

    🌻?11 ft6 ft?16 ft21 ft

    Answer: ______________ feet

  5. 5A garden is shaped like this plan. What is its area?

    🏠?16 m8 m?18 m17 m

    Answer: ______________ square meters

  6. 6One field is 37 meters long and 21 meters wide. Another is 27 meters long and 23 meters wide. How many more square meters does the bigger field have?

    Answer: ______________ square meters

  7. 7A pool is 12 meters long and 9 meters wide. A path 1 meter wide goes all the way around it, so the pool and path together are 14 meters by 11 meters. What is the area of the path?

    🏊14 m11 m

    Answer: ______________ square meters

  8. 8A pool is 19 meters long and 6 meters wide. A path 3 meters wide goes all the way around it, so the pool and path together are 25 meters by 12 meters. What is the area of the path?

    🏊25 m12 m

    Answer: ______________ square meters

  9. 9The floor of a room is shaped like this plan. How many square meters of carpet cover it?

    🏠?8 m13 m?20 m12 m

    Answer: ______________ square meters

  10. 10A pool is 16 meters long and 8 meters wide. A path 1 meter wide goes all the way around it, so the pool and path together are 18 meters by 10 meters. What is the area of the path?

    🏊18 m10 m

    Answer: ______________ square meters

  11. 11A pool is 12 meters long and 7 meters wide. A path 1 meter wide goes all the way around it, so the pool and path together are 14 meters by 9 meters. What is the area of the path?

    🏊14 m9 m

    Answer: ______________ square meters

  12. 12A pool is 20 meters long and 11 meters wide. A path 3 meters wide goes all the way around it, so the pool and path together are 26 meters by 17 meters. What is the area of the path?

    🏊26 m17 m

    Answer: ______________ square meters

Answer key: Rooms, fences & fields

  1. 1. 324 square meters
  2. 2. 168 square meters
  3. 3. 62 feet
  4. 4. 74 feet
  5. 5. 178 square meters
  6. 6. 156 square meters
  7. 7. 46 square meters
  8. 8. 186 square meters
  9. 9. 136 square meters
  10. 10. 52 square meters
  11. 11. 42 square meters
  12. 12. 222 square meters

Practice this lesson online with games that adjust to your child: agarwalmath.com/math/4th-grade/word-area-perimeter-big

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

All 4th grade lessons and worksheets