MENTAL MATH

23 x 467 = (a)   X 23

150 x 20 = ________________

• 300

• 3000

• 30

• 30000

70 + 5 = __________ x 3

• 15

• 70

• 5

• 25

WHAT IS THE SUM OF ALL THE ANGLES OF A TRIANGLE?

• 90

• 180

• EQUAL

• 360

7/100 = (a)   %

THE PRODUCT OF 10 AND 256436

(a)  

IF 4565 DIVIDED BY 5 THEN WHAT IS THE DIVIDEND IN THIS?

• 5

• 913

• 4565

• 9013

100 MORE THAN IN THE PREDECESSOR OF 601

(a)  

1782 x (a)   = 0

 $67890\ \div\ 100\ FIND\ \ Q\ AND\ R$  

• Q = 67  R= 890

• Q= 6789  R= 0

• Q= 67  R= 0

• Q = 678 R = 90