Preparation for checkpoint math 2 di ght
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This document contains several math word problems and questions. It includes: 1) A question about Cindy's money expressed as a function of K and solving for the value of K. 2) A table comparing the greatest ocean depths in meters and fathoms that needs completing. 3) A word problem about travel time and average speed calculated as 45 minutes at 3/4 hours.
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1. The document provides steps to solve equations, factorize expressions, calculate areas, volumes, and other mathematical problems.
2. It also includes word problems involving time, money, and other real-world contexts.
3. The mathematical content covers topics such as standard form, percentages, prime factors, and algebraic manipulation.
Foundation revision notes
This document provides notes and practice questions for a GCSE maths exam. It covers several topics that may appear on the non-calculator paper, including: factorizing expressions; BIDMAS order of operations; algebraic notation; angles; scatter graphs; stem and leaf plots; linear equations; and sequences. It also includes full worked examples and explanations of key concepts.
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There are several methods described for multiplying multi-digit numbers in 3 sentences or less:
The rainbow method breaks down multiplication into single digit multiplications in a rainbow-like formation. Another method involves subtracting the highest place value if it is greater than the number being multiplied and adding it to the result. A third fast method directly writes the first digit and then adds and multiples subsequent digits to find the product.
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The document provides various shortcuts for multiplication and division. It lists strategies like using multiples, distribution, giving and taking, and moving the decimal point in various ways to simplify multiplication. It also provides approaches for cube roots, square roots, squares, and dividing groups of numbers. The shortcuts can be applied to problems involving operations with multiples of 10, 11, 25, 50, and 100 and numbers ending in 5.
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When multiplying by 10, add a 0 to the end of the multiple. When multiplying by 11, write the multiple twice. To multiply by 9, either use fingers, look for patterns in the answers, or add the digits of the two-digit answer together to get 9.
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This document provides information about arithmetic tables and operations. It includes multiplication tables from 1-12 for the numbers 6, 7, 8, 9, 12, and 15. It also includes tables showing squares and cubes. It defines the law of signs for addition and subtraction. Finally, it discusses performing combined arithmetic operations, providing examples of solving operations within parentheses first before combining the remaining operations.
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Recommended
Higher revision
1. The document provides steps to solve equations, factorize expressions, calculate areas, volumes, and other mathematical problems.
2. It also includes word problems involving time, money, and other real-world contexts.
3. The mathematical content covers topics such as standard form, percentages, prime factors, and algebraic manipulation.
Foundation revision notes
This document provides notes and practice questions for a GCSE maths exam. It covers several topics that may appear on the non-calculator paper, including: factorizing expressions; BIDMAS order of operations; algebraic notation; angles; scatter graphs; stem and leaf plots; linear equations; and sequences. It also includes full worked examples and explanations of key concepts.
Easy ways of multiplication - made by binitha john
There are several methods described for multiplying multi-digit numbers in 3 sentences or less:
The rainbow method breaks down multiplication into single digit multiplications in a rainbow-like formation. Another method involves subtracting the highest place value if it is greater than the number being multiplied and adding it to the result. A third fast method directly writes the first digit and then adds and multiples subsequent digits to find the product.
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The document provides various shortcuts for multiplication and division. It lists strategies like using multiples, distribution, giving and taking, and moving the decimal point in various ways to simplify multiplication. It also provides approaches for cube roots, square roots, squares, and dividing groups of numbers. The shortcuts can be applied to problems involving operations with multiples of 10, 11, 25, 50, and 100 and numbers ending in 5.
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This document contains a series of multiplication problems with the answers provided. The problems cover single digit numbers being multiplied together with the products ranging from 10 to 110. Most of the products are correct but a few contain incorrect answers.
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When multiplying by 10, add a 0 to the end of the multiple. When multiplying by 11, write the multiple twice. To multiply by 9, either use fingers, look for patterns in the answers, or add the digits of the two-digit answer together to get 9.
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This document provides steps for teaching multiplication:
1. Explain multiplication as repeated addition using times tables up to 9.
2. Use number lines and pictorial representations to build multiplication tables.
3. Memorize times tables by chanting them.
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5. Learn mental arithmetic methods for multiplying larger numbers using place value.
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The document contains a variety of math and word problems in Indonesian. Some key details include:
- A table with numbers increasing by adding 3 and then 2 for each pattern number.
- Problems involving addition, subtraction, multiplication, and division of decimals and fractions.
- Geometry problems finding the area of shapes.
- Probability questions involving dice rolls and frequency tables.
- Graphing temperature changes over time and calculating rates.
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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.
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This document provides steps for teaching multiplication:
1. Explain multiplication as repeated addition using times tables up to 9.
2. Use number lines and pictorial representations to build multiplication tables.
3. Memorize times tables by chanting them.
4. Revise with mental calculation exercises.
5. Learn mental arithmetic methods for multiplying larger numbers using place value.
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3) It calculates that driving a car 350 miles at 33 miles per gallon with $2.95 per gallon fuel would cost approximately $30
4) It solves that if it takes Jonah 5 hours to paint a wall and Jim twice as long, together they can paint a fence in 2.5 hours
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3) Identifying equivalent expressions
4) Finding the lowest recorded temperature from a data table
5) Calculating probability using numbers of different colored socks
6) Calculating percentages and ratios to solve problems about test scores
7) Identifying reflections and rotations of shapes
8) Calculating gradients, drawing graphs from tables of values, and solving simultaneous equations graphically
9) Adding brackets to make an expression true
10) Identifying the calculation with the largest answer
11) Interpreting data from bar graphs and determining which class performed
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Preparation for checkpoint math paper 2
This document contains 20 math problems and questions for a checkpoint exam. The questions cover a range of topics including shapes, rounding numbers, expressions, temperature, probability, ratios, graphs, simultaneous equations, fractions, statistics, maps, factorizing expressions, word problems involving time, speed, and distance, geometry, volumes, and the Pythagorean theorem. The questions are presented in the student's native language with translations provided.
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Preparation for checkpoint math 2 di ght
- 1. SUKSES MENAKLUKKAN CHECKPOINT 2014
- 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 6 7 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 depth in 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