Mental maths

100 more than 6387?

• 7387

• 6278

• 6388

• 6487

Form the least and greatest number using all the digits

5,3,1,0

------- tens =1000

• 20

• 100

• 50

• 10

Compare with <,>,=

a)1783------- 1 thousand+7hundred+90 ones

b)greatest 3 digit number -------999

c)smallest 3 digit odd number -------smallest 3 digit even number

• <,>,=

• <,=,>

• <,>,<

The place value of 8 in

8904 is

• 80

• 900

• 8000

In the sum 2108-1789=319 the subtrahend is -----------,the difference is ----------.

• 2108,1789

• 319,1789

• 1789,319

Repeated addition is called ------------.

• Addition

• Multiplication

• Subtraction

100 more than the largest 2 digit number is ---------.

• 109

• 199

• 299

• 99

6500+500=------

• 7000

• 8000

• 600

• 65000

33+-----=40

• 6

• 7

• 10

• 5