diff --git a/t/math.t b/t/math.t
new file mode 100644
index 0000000..7a59c64
--- /dev/null
+++ b/t/math.t
@@ -0,0 +1,16 @@
+(expect "add" (= (+ 2 4 2) 8))
+(expect "sub" (= (- 8 2 3) 3))
+(expect "mul" (= (* 5 6) 30))
+(expect "div" (= (/ 64 4) 16))
+
+(expect "2 is even" (evenp 2))
+(expect "3 is not even" (not (evenp 3)))
+
+(expect "5 is odd" (oddp 5))
+(expect "6 is not odd" (not (oddp 6)))
+
+(expect "0 is 0" (zerop 0))
+(expect "1 is not 0" (not (zerop 1)))
+
+(expect "max" (= (max 5 30) 30))
+(expect "min" (= (min 5 30) 5))