(11) Today the temperature is 13 degree centigrade. It was 7 degree centigrade yesterday. How much warmer is it today?
A. 4 B. 6 C. 7 D. 9
(12) Solve the sum: 12 – 10 = ?
A. 3 B. 2 C. 1 D. 4
(13) Solve the sum: 12 – 5 = ?
A. 4 B. 6 C. 7 D. 3
(14) Solve the sum: 14 – 10 = ?
A. 3 B. 2 C. 5 D. 4
(15) Solve the sum: 10 – 5 = ?
A. 4 B. 6 C. 5 D. 3
Answers
(11)–B; (12)–B; (13)–C; (14)–D; (15)–C
