What is the perimeter of a square with a side length of 10?

(a)  

Find the product: 250 x 183 x 4

(a)  

Evaluate: 8×5+3−12÷4+7

(a)  

Reduce the fraction $$\frac{250}{750}$$ to its simplest form. The "/" is the fraction bar.

(a)  

Find the missing term in the sequence: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, (a)   .

Find the sum: 1+2+4+8+16+32+64+128+256+512

(a)  

Find the sum: 100+200+300+400+500+600+700+800+900+1000.

(a)  

A corn field is 250 meters long and 40 meters wide. What is its area in square meters?

(a)  

In room temperature, the mass of 20 liters of water is (a)   grams.

Allan bought 3 ballpens and 5 notebooks and paid a total of 170 pesos. If a ballpen costs 15 pesos, how much is one notebook?

(a)  

Find the sum: 1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8192+16384+32768+65536.

(a)  

Find the sum of all the whole numbers from 1 to 1000?

(a)  

A 40-cm square tile costs 70 pesos while a 60-cm square tile costs 200 pesos. How much money (in pesos) can be saved by using a 40-cm square tile instead of a 60-cm square tile in tiling a 600cm by 1200cm house?

(a)  

It takes 20 men 30 days to paint a wall. How many days will it take 15 men to paint the same wall?

(a)