Rounding Off
Addition & Subtraction of Decimals
Multiplication & Division of Decimals
Challenge
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200

The height of a hill is 164.3 m. What is 164.3 rounded to the nearest whole number?

164 m

200

8 + 0.5 =

8.5

200

1.5 x 4 =

6

200

We say that a figure that has two sides that match up perfectly has ___.

Symmetry

200

What is the closest star to Earth?

The sun

400

A redwood tree is 346 feet tall. What is 346 rounded to the nearest ten?

350 ft

400

1 - 0.45 =

0.55

400

3.2 x 6 =

19.2

400

The dotted line that splits a symmetrical figure in half is called a ___ ___ ___.

line of symmetry

400

What is the coldest place in the world?

Antarctica

600

The length of a string is 3.18 m. Round 3.18 to the nearest meter.

3 m

600

Scarlett drank 0.7 liter of milk. Ellie drank 0.2 liter of milk. How much milk did they drink altogether?

0.9 L

600

1.94 x 7 =

13.58

600

1 kg 200 g x 3 =

3 kg 600 g

600

What is the name of Han Solo's ship in Star Wars?

The Millennium Falcon

800

The length of a string is 3.18. Round off 3.18 to 1 decimal place.

3.2 m

800

Jude drank 0.7 liter of milk. West drank 0.2 liter of milk. How much more milk did Jude drink than West?

0.5 L

800

5.9 ÷ 2 =

2.95

800

The distance around a track in a park was 1 km 300 m. Ali ran around the track 4 times. How far did he run?

5 kg 200 g

800

Ms. Ruthie was born in Tennessee and lives here now, but she moved away for a little while when she was a kid. What state did Ms. Ruthie grow up in?

I grew up in Texas ◡̈ 

(You'll still get partial points if you said Georgia)

1000

3.05 + 10.89 = 

Round the answer to 1 decimal place.

14.9

1000

4.9 + 1.28 =

6.18

1000

Mrs. Davis had $0.90. She gives each of her three children an equal share of the change. How much money did she give each kid?

$0.30 or 30 cents

1000

A pineapple weighs 1 kg 800 g. A watermelon is 3 times as heavy as the pineapple. What is the total weight of the two fruits?

7 kg 200 g

1000

What do kangaroos, wallabies, koalas, opossums, possums, and sugar gliders all have in common?

They are marsupials / They carry their babies in their pouches

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