multiplication
part of speech
noun (multiplication — uncountable; a multiplication, multiplications for single sums)
meaning for a pupil
1) (maths) Adding the same number again and again in a quick way; the operation shown by the sign ×. tree →
2) A big increase in number (the multiplication of germs). tree →
sense in the lessons
In maths: multiplication tables (times tables), multiplication facts. 3 × 4 means three groups of four, which is 12. In science: the multiplication of bacteria or cells. Phrases: times tables, multiplication sign, long multiplication.
examples
- Multiplication is a fast way of adding equal groups. tree →
- 6 × 7 = 42 is a multiplication fact. tree →
- We practise our multiplication tables every day. tree →
- Long multiplication helps with big numbers. tree →
- The sign for multiplication is ×. tree →
- Bacteria grow by quick multiplication. tree →
- 4 bags of 5 apples: the multiplication 4 × 5 gives 20 apples. tree →
note
Verb: multiply (multiplied); the answer is the product. Words in problems that mean multiplication: times, each, every, groups of, rows of, per, double (× 2), triple (× 3). Order does not matter: 3 × 4 = 4 × 3. Multiplying by 0 gives 0; by 1 gives the same number. Myth: multiplying does not always make bigger — × 0.5 makes smaller.
Trees and pragmatics
Every meaning and example of «multiplication» parsed by Mova, each sentence with its dependency tree and frames.