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Scientific Multiplication and Division Facts

Mathematics

Basic arithmetic applications in scientific contexts.

arithmetic science education
20 Questions Easy Ages 5+ Sep 22, 2026

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This study set covers Mathematics through 20 practice questions. Basic arithmetic applications in scientific contexts. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 20 questions from the Scientific Multiplication and Division Facts study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 If a human heart beats 70 times per minute, how many times does it beat in 3 minutes?
  • A 210
  • B 140
  • C 73
  • D 700
2 A standard week has 7 days. How many days are in 4 weeks?
  • A 21
  • B 28
  • C 35
  • D 14
3 If a spider has 8 legs, how many legs do 2 spiders have?
  • A 10
  • B 12
  • C 16
  • D 18
4 A honeybee has 6 legs. How many legs do 5 honeybees have in total?
  • A 30
  • B 11
  • C 36
  • D 24
5 Light travels at approximately 300,000 kilometers per second. In 2 seconds, how far does it travel?
  • A 300,002 km
  • B 600,000 km
  • C 900,000 km
  • D 300,000 km
6 A human has 2 lungs. If you count the lungs of 4 people, how many lungs are there?
  • A 6
  • B 2
  • C 4
  • D 8
7 Each water molecule (H2O) has 2 hydrogen atoms. How many hydrogen atoms are in 3 water molecules?
  • A 5
  • B 6
  • C 4
  • D 8
8 If a plant needs 4 liters of water a week, how much does it need for 2 weeks?
  • A 8 liters
  • B 6 liters
  • C 2 liters
  • D 12 liters
9 An insect has 3 body segments. How many segments do 3 insects have?
  • A 6
  • B 12
  • C 9
  • D 3
10 If there are 10 millimeters in 1 centimeter, how many millimeters are in 5 centimeters?
  • A 50 mm
  • B 15 mm
  • C 5 mm
  • D 100 mm
11 A standard die has 6 faces. If you roll 2 dice, what is the total number of faces?
  • A 8
  • B 10
  • C 12
  • D 14
12 Earth takes 24 hours to rotate once. How many hours are in 2 full rotations?
  • A 26
  • B 48
  • C 36
  • D 40
13 If a bike has 2 wheels, how many wheels do 6 bikes have?
  • A 8
  • B 10
  • C 12
  • D 14
14 A triangle has 3 sides. How many sides do 4 triangles have in total?
  • A 7
  • B 10
  • C 12
  • D 15
15 If you divide 20 grams of salt into 4 equal piles, how many grams is in each pile?
  • A 5 grams
  • B 4 grams
  • C 10 grams
  • D 2 grams
16 A cat has 4 paws. If you see 3 cats, how many paws are there?
  • A 7
  • B 10
  • C 12
  • D 16
17 If 12 eggs are in a carton, how many eggs are in half a carton?
  • A 4
  • B 6
  • C 8
  • D 5
18 A human hand has 5 fingers. How many fingers are on 2 hands?
  • A 7
  • B 15
  • C 10
  • D 8
19 If 100 cents equal 1 dollar, how many dollars is 300 cents?
  • A 30 dollars
  • B 3 dollars
  • C 300 dollars
  • D 0.3 dollars
20 If 16 legs belong to 4 identical animals, how many legs does each animal have?
  • A 4
  • B 2
  • C 8
  • D 6
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