Topic: Number and Operations  >>  Mentally calculate simple products up to a three-digit number by a one-digit number involving multiples of 10.

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  7
×10


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A file holder has 4 shelves. Each shelf has 50 files. How many files does the file holder have in all?View Details
A building has 8 floors. Each floor has 20 rooms. Find the total number of rooms in the building.
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Find the missing numbers.
___ × 100 = 400

7 × ___ = 700
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Find the product.
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Find the value of 6 × 50.
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Find the value of 7 × 70.
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How many flowers are needed to make 5 bouquets, if each bouquet needs 20 flowers?
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Identify the pair of numbers that best completes the equation.View Details
Identify the pair of numbers that best completes the equation.
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Julie has four sisters. She plans to buy gifts worth $200 each. Find the money she will need.
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Martha arranges her collection of roses in rows of 10, as shown. How many roses does Martha have?
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Mr. Brad′s family moved from London to USA. They carried 5 suitcases each weighing 80 lb. How much did their luggage weigh altogether?
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Mr. William′s family moved from Texas to South Carolina. They carried 4 suitcases each weighing 60 lb. How much did their luggage weigh altogether?
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Sarah bought 3 lb of apples at the rate 80¢ per lb. Find the price of apples that Sarah bought.View Details
The product of 10 and 18 is equal to ________ .
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The product of 10 and 8 is equal to ________ .View Details
There are 100 rows in a theatre. Each row has 25 chairs. Find the number of chairs in the theatre.View Details
There are 20 trees in a garden. 6 birds are sitting on each tree. How many birds are there in the garden?
(Assume that the same number of birds are sitting on each tree.)
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There are 30 candies in a box. Find the number of candies in 5 boxes.
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There are 40 cards in a box. Find the number of cards in 5 boxes.
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There are 60 cards in a box. Find the number of cards in 6 boxes.
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Which pair of numbers best completes the equation?View Details
Which pair of numbers best completes the equation?
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Which two are the missing numbers?
4 × 10 = ___
6 × ___ = 60
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Which two are the missing numbers?
5 × 10 = ___

9 × ___ = 90
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Which two are the missing numbers?
60 × 10 = ___

3 × ___ = 30
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