Water Operations
Multiplication Waves
Place Value Pool
Wetland Measurements
Deep Dive Problems
100

A pond has 385 fish. Another 249 fish are added. How many fish are in the pond now?

634 fish

100

Solve: 6 × 8 = ?

48

100

Round 348 to the nearest hundred.

300

100

A rectangular frog pond is 8 feet long and 5 feet wide. What is the perimeter?

26 feet

100

There are 15 buckets. Each bucket holds 6 gallons. How many gallons altogether?

90 gallons

200

A river held 1,248 gallons of water. During a dry week, 587 gallons evaporated. How much water remains?

661 gallons

200

A sea turtle lays 24 eggs in each nest. She builds 6 nests. How many eggs does she lay?

144

200

Which number is greater?

4,562 or 4,652

4,652

200

A lily pad garden is 9 feet long and 6 feet wide. What is the area?

 

54 square feet

200

A beach cleanup team collected 48 bottles on Saturday and 37 bottles on Sunday. They recycled 25 bottles. How many bottles were left to sort?

60 bottles

300

Find the missing number.

□ + 486 = 912

426

300

A rain barrel collects 18 gallons of water each day. How much water does it collect in 14 days?

252 gallons


300

What is the value of the 8 in 48,731?

8,000

300

A turtle habitat is 14 meters long and 9 meters wide. What is the perimeter?

46 meters

300

A water park has 18 slides. Each slide uses 12 gallons of water every hour. How many gallons are used in one hour?

216 gallons

400

Solve: 2,487 + 1,924


4,411

400

An aquarium has 23 tanks. Each tank holds 18 fish. How many fish are in all the tanks?

414 fish

400

Write these numbers from least to greatest:

6,482
6,248
6,842

6,248
6,482
6,842

400

A wetland observation deck has an area of 96 square feet. The length is 12 feet. What is the width?

8 feet

400

A pond contains 450 fish. Scientists add 175 fish. Later, 98 fish are moved to another pond. How many fish remain?

527 fish

500

A lake has 3,620 gallons. A nearby stream adds 875 gallons, then 1,146 gallons more. How much water is in the lake now?

5,641 gallons

500

A water park has 36 sprinklers. Each sprinkler sprays 24 gallons of water every hour. How many gallons of water are sprayed in one hour?

864 gallons

500

A lake contains 42,385 gallons of water.

Round this number to the nearest thousand.

42,000

500

A rectangular fish hatchery is 15 feet long and 8 feet wide. Find BOTH the area and the perimeter.

  • Area = 120 square feet
  • Perimeter = 46 feet
500

A family fills 24 water bottles. Each bottle holds 5 cups of water.They drink 38 cups during the day. How many cups of water are left?

82 cups