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Grade 4 - Mathematics3.20 Practicing Multiplication, Multiplying with Zeros

 Multiply the non zero numbers. Count the number of zeroes in the factors. Add the same number of zeroes to the product. Example: 23x400 First multiply 23 and 4, this gives 92. There are 2 zeroes in the question, hence the result is 9,200. Answer: 9,200 Example: 30 x 400 First multiply 3 and 4, this gives 12. There are 3 zeroes, hence the result is 12,000. Answer: 12,000 Directions: Multiply the following. Also write at least 20 examples of your own.
 Q 1: 500 x 300 =15,000150,00050,000 Q 2: 900 x 200 =180,0001,80018,000 Q 3: 120 x 2000 = 122,00048,000240,000 Q 4: 30 x 20 =606,000600 Q 5: 40 x 800 =320,00032,0003,200 Q 6: 30 x 200 =6006,00060,000 Q 7: 30 x 2000 =60060,0006,000 Q 8: 600 x 400 =24,0002,400240,000 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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