Q1. Write your name

Today, you are multiplying numbers by 10. When you multiply a number by 10 the digits move one column to the left. For example if you multiply 15 x 10 the answer is 150. The 1 ten becomes, 1 hundred, the 5 ones become 5 tens and you put a place holder in the ones column. Use this rule when answering the following questions:

Q3. 1. 2 x 10 =

Q4. 2. 7 x 10 =

Q5. 3. 10 x 6 =

Q6. 4. 10 x 8 =

Q7. 5. 45 x 10 =

Q8. 6. 36 x 10 =

Q9. 7. 10 x ? = 140

Q10. 8. When you multiply a number by 10, your answer will always have a zero in it. Is this always, sometimes or never?

Q11. 9. Amir thinks of 2 digit number and multiplies it by 10. He says, ‘My answer is between 755 and 795.’ What could his number have been?