Quiz for 11 year olds with answers

48. 10% means divide by 10: 480 ÷ 10 = 48.

40. 10% of 200 is 20, so 20% is double that: 40.

−12 → −4 → −2 → 7. The further below zero, the smaller the number, so −12 is the smallest here.

11. Start at −1 on a number line and count 12 to the right: 11.

False. 3/5 of 55 = 33. Find 1/5 first: 55 ÷ 5 = 11. Then 3 lots of 11 make 33.

23. To find a fifth, divide by 5: 115 ÷ 5 = 23.

11.22. Line up the decimal points: 7.40 + 3.82 = 11.22.

5.59. Line up the decimal points: 1.30 + 4.29 = 5.59.

True. Divide to find it: 385 ÷ 35 = 11, because 35 × 11 = 385.

Harare. Great Zimbabwe is a ruined stone city built centuries ago. The country is named after it.

Europe. Bulgaria's eastern coast is on the Black Sea.

Which country's flag is this?

• Thailand
• Philippines
• Afghanistan
• Nepal

Nepal. Nepal's is the only national flag that doesn't have four sides.

Serbia. Serbia is one of the world's biggest growers of raspberries.

True. Buckingham Palace is in the United Kingdom. Buckingham Palace became the monarch's official London home in 1837, when Queen Victoria moved in.

False. It's Dodoma. Dodoma is the capital. Dar es Salaam is the biggest city and used to be the capital.

Machu Picchu → White House → Mount Rushmore carving → Burj Khalifa. Oldest first: Machu Picchu (about 1450), White House (1800), Mount Rushmore carving (1927 to 1941), Burj Khalifa (2010).

North America. Costa Rica has had no army since 1948.

True or false: This is the flag of Uganda.

True. It's Uganda. Lake Victoria, which Uganda shares with Kenya and Tanzania, is the biggest lake in Africa and a source of the Nile.

Lithium. Lithium-ion batteries power most phones, laptops and electric cars.

False. Copper is a metal. Copper slowly turns green outdoors. Cu comes from the Latin cuprum, after Cyprus, where copper was mined in ancient times.

Skeleton. Babies are born with around 300 bones. Adults have 206, because some join together.

Mammals. Every mammal mother makes milk for her young, from mice to blue whales.

Migration. Swallows fly from Britain to southern Africa for the winter, then come back in spring.

Solid. Nickel is one of the few metals a magnet pulls on, along with iron and cobalt.

Solid. Sodium is a metal soft enough to cut with a knife. Its symbol Na comes from the Latin natrium.

A consumer. Animals cannot make their own food, so every animal in a food chain is a consumer.

About a sixth as strong. On the Moon, you could jump about six times higher than you can on Earth.

True. Baryonyx was found in a Surrey clay pit in 1983, with fish scales in its stomach.

Hydrogen. A hydrogen atom is the simplest there is, usually just one proton and one electron.

Helen Sharman. Helen Sharman was a chemist who answered a radio advert. In 1991 she flew to the Mir space station.

Henry VIII becomes king. Henry VIII became king in 1509. He married six times. Three of his children went on to rule England.

True. It was 1815, in the 19th century. The Duke of Wellington and his allies finally beat Napoleon, in what is now Belgium.

17th century. The Great Fire of London broke out in 1666, which is in the 17th century.

Stonehenge's big stones raised (around 2500 BC) → Roman conquest of Britain begins (AD 43) → Gunpowder Plot foiled (1605) → Eiffel Tower completed (1889) → Channel Tunnel opens (1994). The Gunpowder Plot was foiled in 1605. Guy Fawkes was caught under Parliament with barrels of gunpowder. Bonfire Night remembers it on 5 November.

False. Penicillin discovered: 1928. Berlin Wall falls: 1989. The Berlin Wall fell in 1989. It had split the city for 28 years. Germany became one country again the following year.

Elizabeth I becomes queen. Elizabeth I became queen in 1558, 62 years before the Mayflower sailed to America.

False. It was 1994, in the 20th century. He had spent 27 years in prison and was the country's first Black president.

reign. Reign has a silent g, just like sign and foreign.

fruit. Fruit has ui in the middle, like suit and juice.

False. Yia sou is hello in Greek. Yia sou means health to you. Greeks say yia sas to be polite, or to greet a group.

Turkish. Merhaba came into Turkish from the Arabic marhaba. Turkish has used the Latin alphabet since 1928.

False. Hoi is hello in Dutch. Dutch speakers say hallo, or hoi between friends. Dutch and German are close cousins.

True. Hej is hello in Swedish. Hej sounds like the English hey. When it is time to go, Swedes say hej då.

physical. Physical starts with ph, which sounds like f. It comes from Greek.

desert. A desert, with one s, is a very dry place.