Addition/Subtraction
8.26 - (-21.3)=?
29.56
I'm a decimal that never ends, but I repeat the same digits over and over. You can write me as a fraction. What am I?
Repeating Decimal
2.56 x 8.92=?
22.83
-4.56/-9.87=?
0.462
Is 24/8 a rational number?
Because 24/8=3 it can be expressed as 3/1. And since both the numerator (3) and denominator (1) are integers, and the denominator is not 0, then 3 is a rational number.
7.36+3.24=?
10.6
I'm a number that can be written as 7 divided by 2. I'm not whole, but I'm still rational. Who am I?
3.5
78.90 x 4.25=?
335.325
48.01/-3.09=?
-15.53
Is 45/6 a rational number?
Yes, 7.5 is a rational number.
365.87-(-281.1)=?
646.97
I'm a decimal that ends. You can write me as a fraction. What kind of number am I?
Terminating Decimal
-126 x 53.07=?
-6686.82
261.28/-26.5=?
-9.85 or -9.86
Is 32/18 a rational number?
Yes, 1.77 is a rational number.
26.38 + 65.25=?
91.63
I’m a number that’s halfway between 0 and 1. You can write me as a fraction or a decimal. What am I?
0.5 or 1/2
-382.97 x -5.60=?
2,144.63
-782.34/6.2=?
-126.18
Is 693/3 a rational number?
Yes, 231 is a rational number.
-560.34+(-42.3)=?
-602.64
I’m a number that’s not whole, but if you multiply me by 4, you get 10. What am I?
2.5
-7,935 x -65.20=?
517,362
953/-402.3=?
-2.36
What is a rational number?
Any number that can be written as a ratio or fraction of 2 integers.