1) What is 5 x 10? a) 50 b) 500 c) 5 2) What number do I multiply by 10 to get 420? a) 40 b) 20 c) 42 3) Ms. John received 15 boxes of Christmas lights to decorate the venue for the Christmas party. If each box contains 100 light bulbs. How many bulbs are there altogether? a) 1500 b) 150 c) 15000 4) What should I multiply 125 by to get 12500? a) 100 b) 10 c) 25 5) Make number 161 ten times bigger. a) 1610 b) 16100 c) 16010 6) A bottle of cooking gas cost 60. What will be the cost of 10 bottles of Gas? a) 70 b) 6000 c) 600 7) 35 x 100 is the same as a) 350 x 100 b) 35 x 10 c) 350 x 10 8) What is 100 x 6.5? a) 65 b) 60.5 c) 650

Number Sense: Computation Multiplying by 10 and 100

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