Question

a199a kumon a 199
subtraction 12 (summary of subtraction)
name
100% 90% 80% 70% 69%
date
time to
◆ subtract.
(1) 10 - 5 =
(2) 10 - 7 =
(3) 11 - 5 =
(4) 11 - 9 =
(5) 12 - 3 =
(6) 12 - 6 =
(7) 13 - 4 =
(8) 13 - 7 =
(9) 14 - 4 =
(10) 14 - 8 =
(11) 14 - 7 =

Explanation:

(1)

Step1: Perform subtraction

$10 - 5 = 5$

Step1: Perform subtraction

$10 - 7 = 3$

Step1: Perform subtraction

$11 - 5 = 6$

Answer:

5

(2)