ITBS Iowa Test of Basic Skills (ITBS) 6th Grade 2 — Questions and Answers
Question 1: A store sells notebooks for $2.75 each. If Maya buys 4 notebooks and pays with a $20 bill, how much change does she receive?
- $9.00 (Correct answer)
- $8.75
- $11.00
- $9.25
Correct answer: $9.00
4 × $2.75 = $11.00; $20.00 − $11.00 = $9.00.
Question 2: Which sentence contains a misplaced modifier?
- Running quickly, the dog chased the ball.
- She almost drove her kids to school every day. (Correct answer)
- The chef prepared a delicious meal.
- We watched the sunset from the hill.
Correct answer: She almost drove her kids to school every day.
'Almost' should modify 'every day,' not 'drove' — she drove nearly every day, not almost drove.
Question 3: Earth's atmosphere is divided into layers. Which layer contains the ozone layer that absorbs most ultraviolet radiation?
- Troposphere
- Mesosphere
- Stratosphere (Correct answer)
- Thermosphere
Correct answer: Stratosphere
The ozone layer is located in the stratosphere, roughly 15–35 km above Earth's surface.
Question 4: What is the value of 3² + 4²?
- 25 (Correct answer)
- 49
- 14
- 21
Correct answer: 25
3² = 9 and 4² = 16; 9 + 16 = 25.
Question 5: In the passage: 'The ancient map, yellowed and frayed, led the explorers through uncharted jungles.' What does 'uncharted' mean?
- Well-mapped
- Not recorded on any map (Correct answer)
- Dangerous
- Overgrown
Correct answer: Not recorded on any map
'Uncharted' means not mapped or documented, often describing unknown territory.
Question 6: A recipe calls for 2½ cups of flour to make 24 cookies. How many cups are needed to make 60 cookies?
- 5 cups
- 6¼ cups (Correct answer)
- 4½ cups
- 6 cups
Correct answer: 6¼ cups
60 ÷ 24 = 2.5; 2.5 × 2.5 = 6.25 = 6¼ cups.
Question 7: Which of the following best describes the role of decomposers in an ecosystem?
- They convert sunlight into food
- They break down dead organic matter and return nutrients to the soil (Correct answer)
- They transfer energy from plants to animals
- They regulate the water cycle
Correct answer: They break down dead organic matter and return nutrients to the soil
Decomposers such as fungi and bacteria break down dead matter, recycling nutrients back into the ecosystem.
ITBS Iowa Test of Basic Skills (ITBS) 6th Grade 2
A store sells notebooks for $2.75 each.
If Maya buys 4 notebooks and pays with a $20 bill, how much change does she receive?