Math: Middle School: Grades 6, 7 and 8 Quiz - Numbers - Decimals - Ordering (Questions)

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When you put decimals in order, first compare the whole numbers, then the tenths, then the hundredths and then the thousandths. Decimals are used for parts of numbers that are less than 1.

Practice by playing this Math quiz on the ordering of decimals.

1. Which of these is the smallest number?
 [ ] 2.5 [ ] 2.15 [ ] 2.17 [ ] 2.8
2. Which of these is ordered from largest to smallest?
 [ ] 3.45, 3.5, 3.15, 3.55 [ ] 3.5, 3.55, 3.45, 3.15 [ ] 3.15, 3.45, 3.5, 3.55 [ ] 3.55, 3.5, 3.45, 3.15
3. A rollercoaster at the amusement park has a sign that says you must be over 1.1 meters to ride it. Which of these heights is unable to ride?
 [ ] 1.12 meters [ ] 1.07 meters [ ] 1.2 meters [ ] 1.31 meters
4. A tree stands 5.47 meters tall. How tall would a giraffe need to be to see over the tree?
 [ ] 5.04 meters [ ] 5.047 meters [ ] 5.74 meters [ ] 5.417 meters
5. Which of the following numbers is the second largest?
 [ ] 3.4 [ ] 3.14 [ ] 3.41 [ ] 3.1
6. What comes next - 1.2, 1.25, 1.3, 1.35?
 [ ] 1.04 [ ] 1.39 [ ] 1.4 [ ] 1.45
7. Which of these is the smallest number?
 [ ] 47.8 [ ] 48.7 [ ] 40.7 [ ] 4.078
8. Which of these is the largest number?
 [ ] 96.7 [ ] 9.67 [ ] 97.6 [ ] 9.76
9. My television cable is 4.3m, my cell phone charger is 3.2m, my PlayStation lead is 4.13m and my hi-fi lead is 2.78m. Which is the longest?
 [ ] Television cable [ ] Cell phone charger [ ] PlayStation lead [ ] Hi-fi lead
10. Colin gets £2.40 allowance, Michelle gets £2.15, Geoff gets £2.75 and Sarah gets £2.55. Who gets the most?
 [ ] Colin [ ] Michelle [ ] Geoff [ ] Sarah
Math: Middle School: Grades 6, 7 and 8 Quiz - Numbers - Decimals - Ordering (Answers)
1. Which of these is the smallest number?
 [ ] 2.5 [x] 2.15 [ ] 2.17 [ ] 2.8
It helps to give the numbers the same number of decimal places by adding zeros, e.g. 2.50 and 2.80
2. Which of these is ordered from largest to smallest?
 [ ] 3.45, 3.5, 3.15, 3.55 [ ] 3.5, 3.55, 3.45, 3.15 [ ] 3.15, 3.45, 3.5, 3.55 [x] 3.55, 3.5, 3.45, 3.15
3. A rollercoaster at the amusement park has a sign that says you must be over 1.1 meters to ride it. Which of these heights is unable to ride?
 [ ] 1.12 meters [x] 1.07 meters [ ] 1.2 meters [ ] 1.31 meters
1.07 is less than 1.10
4. A tree stands 5.47 meters tall. How tall would a giraffe need to be to see over the tree?
 [ ] 5.04 meters [ ] 5.047 meters [x] 5.74 meters [ ] 5.417 meters
5. Which of the following numbers is the second largest?
 [x] 3.4 [ ] 3.14 [ ] 3.41 [ ] 3.1
The order from smallest to largest is 3.1, 3.14, 3.4 and 3.41
6. What comes next - 1.2, 1.25, 1.3, 1.35?
 [ ] 1.04 [ ] 1.39 [x] 1.4 [ ] 1.45
7. Which of these is the smallest number?
 [ ] 47.8 [ ] 48.7 [ ] 40.7 [x] 4.078
First compare the whole numbers!
8. Which of these is the largest number?
 [ ] 96.7 [ ] 9.67 [x] 97.6 [ ] 9.76
9. My television cable is 4.3m, my cell phone charger is 3.2m, my PlayStation lead is 4.13m and my hi-fi lead is 2.78m. Which is the longest?
 [x] Television cable [ ] Cell phone charger [ ] PlayStation lead [ ] Hi-fi lead
10. Colin gets £2.40 allowance, Michelle gets £2.15, Geoff gets £2.75 and Sarah gets £2.55. Who gets the most?
 [ ] Colin [ ] Michelle [x] Geoff [ ] Sarah