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Alhikmah preparation for checkpoint math 2 di ght
This document contains several math word problems and questions. It includes: 1) A word problem about Cindy and Adi's money amounts expressed as equations in terms of the variable K. 2) A data set with numbers and a question about finding the smallest, largest, and median values. 3) A table comparing ocean depths in meters and fathoms that needs completing. 4) A word problem about average speed calculated from a fraction of hours traveled.
Alhikmah preparation for checkpoint math 2 di ght
- 1.
- 2. • 퐴푛푎 = 12 20 × 50 = $30 • 푆푎푙푖 = 8 20 × 50 = $20
- 3. • 퐶 =2휋푟 = 2 x 3.14 x 36 = …….??? (bolehpakaiKalkulator)
- 4. Q ● ● ● ●
- 5. a)Write an expression,in terms of K, for the number of dollars Cindy has. • B = K – 6 • C = 2B = 2 (K – 6) = 2K – 12 b) Cindy has $4 less than Adi. Work out the value of K. 2K – 12 = K – 4 2K – K = -4 + 12 K = 8
- 6. 0 5 67 8 8 1 1 2 3 3 6 7 9 2 0 0 4 8 3 1 2 2 Key : 3 | 2 = 32 5 32 16 Smallest number = ……………….. Largest Number = ……………….. Median = ……………… . (data tengah)
- 7. X x2 +2x = Comment 2 4 + 4 = 8 Too small 2.1 4.41 + 4. 2 = 8.61 Too small 2.2 4.84 + 4. 4 = 9.24 Too small 2.3 5.29 + 4. 6 = 9.89 Approximately
- 8. Ocean Greatest depthin metres Greatest depth in Fathoms Atlantic 8400 15400 Indian 14700 8400 15400 × 14700 = 8018.18 ≈ 8000 Complete the table Round your answer to the nearest hundred
- 9. 09: 30 –08:45 = 45 minutes 45 minutes = ¾ hour Average speed = ퟏퟔퟐ ퟑ ퟒ = ퟏퟔퟐ × ퟒ ퟑ = ퟓퟒ × ퟒ = ퟐퟏퟔ 풌풎/풉
- 11. Area of path= (8 + 1 + 1)(6 + 1 + 1) – (8 x 6) m2 = (10 x 8) – (8 x 6) = 80 – 48 = 32 Stones he needs = 32 x 50 kg = 1600 kg = 1.6 tonnes The number of stones he needs to buy = 1.6 : 0.75 = 2.13333 So, he need to buy 3 bags of stones 1 m 1 m Flower 6 m bed 1 cm 1 m 8 m Path