Multiply Mentally
50 x 4
200
A box has 12 pencils. If you have 3 boxes, how many pencils do you have in total?
36
Round off the numbers to the nearest 10s.
1. 341
2. 769
3. 5, 882
1. 340
2. 770
3. 5,880
Estimate the product of the given number.
3456 x 25
90,000
11 x 18
198
There are 23 chickens in each pen on a farm. If there are 4 pens, how many chickens are there in total?
92
Round of the number to the nearest 1,000s.
43,767
43,000
Estimate the product of the given number.
1923 x 564
120,000
56 x 38
2,128
Each shelf in the library holds 100 books. If there are 15 shelves, how many books are there altogether?
1,500
Round of the population numbers to the nearest 10,000s.
The population of Island D is 123,789. Round off this population to the nearest 10,000.
120,000
Round off the divedend and the divisor to compatible number. Estimate the quotient.
444 ÷ 52
9
97 x 30
2,910
There are 249 candies in each jar. If you have 17 jars, how many candies do you have altogether
4,233
Round off the population numbers to the nearest 10,000s.
The population of State E is 369,245. Round off this population to the nearest 10,000
370,000
There are 364 apples, and they are packed into baskets of 9. Estimate how many baskets are needed.
360 ÷ 9 = 40
274 x 63
17,262
Each box has 50 cupcakes. If a bakery prepares 500 boxes for a party, how many cupcakes do they have in total?
25,000
Round off the population in the given statements to the nearest 10,000s.
The population of City A is 78,342. Round off this population to the nearest 10,000.
80,000
There are 172 candies, and 8 friends want to share them equally. Estimate how many candies each friend will get.
160 ÷ 8 = 20