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Mathematics Diagnostic Examination Guidance Examination Overview The Mathematics Examination will contain two sections. Section A contains fifteen 2-point questions and Section B contains five 4-point questions. No partial marks are given for any question, each question is either correct and receives full points, or incorrect and is given 0 points. The examination will cover three main topics; these topics and their approximate weighting on the examination are listed below: Algebra - 60% Geometry - 20% Statistics and Probability - 20% Algebra Solving one variable linear equations Converting between decimals and fractions Exponent Laws Negative exponents and the rational exponent law will not be on the examination Simplifying expressions Solving systems of equations Radicals Linear Functions Slope, y-intercept form Graphing linear functions and writing the equation of a linear function from a graph Determining the equation of a linear function from various pieces of information given Applications of linear functions (word problems) Factoring Greatest common factor Product / sum factoring x 2 + bx + c ( ) Factoring trinomials where the leading coefficient is not 1 ax 2 + bx + c, a 1 ( ) Difference of squares a 2 b 2 ( ) , Perfect square trinomials a 2 x 2 ± 2abx + b 2 ( ) RITSUMEIKAN UJI IB EDUCATION DEPARTMENT PAGE 1 OF 13 MATHEMATICS DIAGNOSTIC EXAMINATION GUIDANCE

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Page 1: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

Mathematics Diagnostic Examination Guidance

Examination Overview• The Mathematics Examination will contain two sections. Section A contains fifteen 2-point

questions and Section B contains five 4-point questions. No partial marks are given for any question, each question is either correct and receives full points, or incorrect and is given 0 points.

• The examination will cover three main topics; these topics and their approximate weighting on the examination are listed below:

‣ Algebra - 60%

‣ Geometry - 20%

‣ Statistics and Probability - 20%

Algebra• Solving one variable linear equations• Converting between decimals and fractions• Exponent Laws

‣ Negative exponents and the rational exponent law will not be on the examination• Simplifying expressions• Solving systems of equations• Radicals• Linear Functions

‣ Slope, y-intercept form

‣ Graphing linear functions and writing the equation of a linear function from a graph

‣ Determining the equation of a linear function from various pieces of information given

‣ Applications of linear functions (word problems)• Factoring

‣ Greatest common factor

‣ Product / sum factoring x2 + bx + c( )

‣ Factoring trinomials where the leading coefficient is not 1 ax2 + bx + c, a ≠ 1( )

‣ Difference of squares a2 − b2( ), Perfect square trinomials a2x2 ± 2abx + b2( )

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

PAGE 1 OF 13 MATHEMATICS DIAGNOSTIC EXAMINATION GUIDANCE

Page 2: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

Sample Questions for Algebra

Section A

1. Determine the solution to the equation: 2 3x −1( ) −1 = − x − 4( ).

2. The expression 5 x − 3( ) − x +1( )

4 written in simplest form is:

3. When simplified fully, 3 6( ) 2 10( ) can be written as a

mixed radical in the form a b. Determine the value of a + b.

4. The factored form of 3x2 +10x − 8 is:

5. The expression a2b3( )2 ab4( ) written in simplest form is:

6. If 2a + 3b = 1 and 3a − 2b = 8, find the values of a and b.

7. The cost, C, of renting a canoe is $35 plus an additional fee of $7.50 per hour, h. An expression to represent the canoe rental fee is:

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

PAGE 2 OF 13 MATHEMATICS DIAGNOSTIC EXAMINATION GUIDANCE

x =

a = b =

Page 3: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

8. Write the equation of the linear function displayed on the graph below in the form y = mx + b :

Section B

9. The intersection point of the two linear functions in the graph

below is of the form a, bc

⎛⎝⎜

⎞⎠⎟. Determine the point of

intersection.

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 4: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

Geometry• Parallel lines and transversal angle theorems

• Circle angle theorems• Similar Triangles• Translations and Reflections• Two dimensional area problems (formulas are not provided)

‣ Squares, Rectangles

‣ Triangles

‣ Circles• Special Triangles

‣ 30 − 60 − 90 and 45 − 45 − 90

• Pythagoras’ Theorem

Sample Questions

10. In ΔABC , see diagram below, the length of side AB is 7cm.

Determine the perimeter of ΔABC, in the form a + b c, where a, b and c are all natural numbers.

11. In the circle below, the centre is denoted by O. Determine the value of p + q.

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 5: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

12. Determine the area of the figure below, express your answer in the form a + bπ( )cm2 , where a and b are natural numbers:

13. Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are:

14. In the diagram below AC is 20mm and AB is 25mm. The line MN is parallel to BC and AN is 16mm. Determine the length of AM:

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 6: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

Statistics and Probability• Measuring the centre of data - mean, median and mode• Ways of reading data

‣ Bar graphs / Histograms

‣ Pie graphs

‣ Stem and leaf plots• Probability

‣ With or without replacement

Sample Questions

15. A student has four test scores of 72, 74, 74 and 80. After writing a fifth test, the average of his five scores is 76. What was the student’s score on the fifth test?

16. A box contains 4 green marbles and 3 blue marbles. A marble is selected from the box, the colour is noted and then replaced. A second marble is then selected. Find the probability of drawing two green marbles.

17. A survey asked the ages of customers at a store. The data collected is displayed in the stem and leaf diagram below. Find the median age of the customers.

2 1 1 2 3 6 73 0 2 3 84 1 2 4 7 8

18. A box contains 5 red marbles and 3 blue marbles. A marble is selected from the box, the colour is noted and then a second marble is selected without replacement. Find the probability of drawing two blue marbles.

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 7: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

数学力診断テストのガイダンステストについて

• Section AとSection Bの2部構成です。Section Aは2点問題が15問、Section Bは4点問題が5

問あります。すべての問題において部分点はありません。

• このテストでは、主に3つのトピックから問題が出題されます。

‣ 代数(約6割)

‣ 幾何(約2割)

‣ 統計・確率(約2割)

代数について• 一元一次方程式を解く• 小数から分数または分数から小数への変換• 指数法則

‣ (指数が負の数になることはありません)• 式を簡単にする• 連立方程式を解く• 累乗根• 一次関数

‣ 傾きや切片‣ グラフを描いたり、グラフから式を見つけ出す‣ 文章問題

• 因数分解

‣ 最大公約数および共通因数

‣ x2 + bx + c の因数分解

‣ ax2 + bx + cの因数分解

‣ a2 − b2 の因数分解

‣ 平方完成

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 8: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

例題

Section A

1. 方程式 2 3x −1( ) −1 = − x − 4( )を解きなさい。

2. 5 x − 3( ) − x +1( )

4 を簡単にしなさい。

3. 3 6( ) 2 10( ) を計算したところ、a b の形で表すこと

ができた。a + bを求めなさい。

4. 3x2 +10x − 8 を因数分解しなさい。

5. a2b3( )2 ab4( ) を簡単にしなさい。

6. 2a + 3b = 1 , 3a − 2b = 8のとき、aとb の値を求めなさい。

7. カヌーのレンタル料は$35で、さらに1時間毎に$7.50の追加料金がかかる。レンタル料をCとし、カヌーをh時間レンタルしたときの合計の金額をCとhをもちいて表しなさい。

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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x =

a = b =

Page 9: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

8. 次の図のグラフの式をy = ax + bの形で表しなさい。

Section B

9. 次の図において、2直線の交点の座標を a, bc

⎛⎝⎜

⎞⎠⎟ の形で表

しなさい。

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

PAGE 9 OF 13 MATHEMATICS DIAGNOSTIC EXAMINATION GUIDANCE

Page 10: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

幾何•平行線、錯角、同位角•円周角の定理•合同、相似な三角形•対称移動•三角形、四角形、円の面積•直角三角形

‣ 30° − 60° − 90° または 45° − 45° − 90°

•三平方の定理

例題

10. 下の図において、ΔABC の辺ABの長さは7cmであり、∠A = 60°, ∠B = 90° である。ΔABC の周りの長さを求め

るとa + b c の形になった。周りの長さを求めなさい。ただし、a, b, cはすべて自然数とする。

11. 下の円Oにおいて、 p + q の値を求めなさい。

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 11: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

12. 下の図は、半円と正方形を合わせたものである。この図形の面積をa + bπ の形で表しなさい。ただし、a, b は自

然数とする。

13. 下の図において、△DEFを直線 l を対称の軸として対称

移動させる。このとき、点Fの移動後の座標を求めなさい。

14. 次の図において、線分AC の長さは20mm 、線分AB の長さは25mm である。線分MN がBC に平行で、AN の長さが16mm のとき、AM の長さを求めなさい。

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 12: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

統計 / 確率•平均値、中央値、最頻値•データ分析

‣ 棒グラフやヒストグラム‣ 円グラフ‣ 幹葉図

•確率

例題

15. ある生徒の4つのテストの点数は72点、74点、74点、80点であった。5つ目のテストを受けたところ、5つのテストの平均点は76点になった。5つ目のテストの点数を求めなさい。

16. ある箱に緑球が4個、青球が3個入っている。この箱から球を1つ取り出し、色をたしかめてからその球を箱に戻す。これを2回くり返すとき、2個とも緑球である確率を求めなさい。

17. ある店で、客の年齢についての調査を行ったところ、下の幹葉図のようになった。客の中央値を求めなさい。

2 1 1 2 3 6 73 0 2 3 84 1 2 4 7 8

18. ある箱に赤球が5個、青球が3個入っている。この箱から球を1つ取り出し、色をたしかめてから、その球を戻さずにもう1つ球を取り出す。このとき、2個とも青球である確率を求めなさい。

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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Page 13: RITSUMEIKAN UJI IB EDUCATION DEPARTMENT Mathematics … · 2015. 3. 10. · Triangle DEF is reflected across the line, l. The new coordinates of F after the reflection are: 14. In

Solutions to Sample Problems

1. x = 1

2. x − 4

3. 3 6( ) 2 10( ) = 12 15, ∴12 +15 = 27

4. 3x2 +10x − 8 = 3x − 2( ) x + 4( )

5. a2b3( )2 ab4( ) = a4b6( ) ab4( ) = a5b10

6. a = 2; b = −1

7. C = 7.5h + 35 or C = $7.50h + $35

8. y = 34 x − 2

9.y = − 1

2 x −1y = 5

6 x − 5∴ 3,− 5

2⎛⎝⎜

⎞⎠⎟

⎧⎨⎪

⎩⎪

10. 21+ 7 3( )cm11. p = 88; q = 44 ∴ p + q = 132

12. 16 + 2π( )cm2

13. 2,0( )

14. AM = 20mm

15. 80

16. 1649

17. 32

18. 38 ×

27 =

328

RITSUMEIKAN UJI IB EDUCATION DEPARTMENT

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