Seven days of questions and answers
Review earlier daily rounds, reveal the correct answer, and use the short explanation to learn the fact behind each question. Page 6 of 12 covers seven completed UTC days.
Play today's quizDaily round
Answer: 32
45 − 13 = 32.
Answer: 18/20
Multiplying numerator and denominator by 2 gives 18/20.
Answer: 50
61 − 11 = 50.
Answer: 54
49 + 5 = 54.
Answer: 80
76 + 4 = 80.
Daily round
Answer: 45
5 × 9 = 45.
Answer: 40 square units
Rectangle area is width times length: 5 × 8 = 40 square units.
Answer: 18/21
Multiplying numerator and denominator by 3 gives 18/21.
Answer: 78
58 + 20 = 78.
Answer: 58
66 − 8 = 58.
Daily round
Answer: 97
91 + 6 = 97.
Answer: 6/9
Multiplying numerator and denominator by 3 gives 6/9.
Answer: 95
73 + 22 = 95.
Answer: 50
61 − 11 = 50.
Answer: 208 square units
Rectangle area is width times length: 13 × 16 = 208 square units.
Daily round
Answer: 108 square units
Rectangle area is width times length: 9 × 12 = 108 square units.
Answer: 30
39 − 9 = 30.
Answer: 71
64 + 7 = 71.
Answer: 53
40 + 13 = 53.
Answer: 52
31 + 21 = 52.
Daily round
Answer: 40/45
Multiplying numerator and denominator by 5 gives 40/45.
Answer: 6
30 ÷ 5 = 6.
Answer: 61
43 + 18 = 61.
Answer: 19
38 ÷ 2 = 19.
Answer: 18/21
Multiplying numerator and denominator by 3 gives 18/21.
Daily round
Answer: 44/48
Multiplying numerator and denominator by 4 gives 44/48.
Answer: 54
73 − 19 = 54.
Answer: 70
7 × 10 = 70.
Answer: 180 square units
Rectangle area is width times length: 12 × 15 = 180 square units.
Answer: 130 square units
Rectangle area is width times length: 10 × 13 = 130 square units.
Daily round
Answer: 14
2 × 7 = 14.
Answer: 20
28 − 8 = 20.
Answer: 22
110 ÷ 5 = 22.
Answer: 54
6 × 9 = 54.
Answer: 84
12 × 7 = 84.