Mid-Year Mathematics Final Revisions

Transcription

1 The Egyptian Language School New Cairo Educational Directorate Mid-Year Mathematics Final Revisions Academic Year 2018/2019 Second Primary Stage This Pile consists of Final Revisions for each Unit With Model Answers Exam Instructions Read the questions carefully, think, then answer in a good handwriting. Show all your work (Don t Erase your rough work). Use pencil and ruler for drawing questions. Be ready with all the needed tools; Blue pens, Pencil, Ruler, Protractor and Eraser. M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 1 12

2 Name: The Egyptian Language School Date: Primary 2/ Final Revisions (Per Unit) Watch the following videos: Place Value Concept Place Value Lesson Comparing 3-digit Numbers 1) Write the value of the underlined digit in the following numbers: a) b) c) ) Write the place-value of the underlined digit in the following numbers: a) b) c) ) Complete the following: a) 528 = b) The number just after 347 is c) = d) The number between 789 and 791 is e) 835 = M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 2 12

3 4) Write the following numbers in digits: a) Seven hundred and sixteen= b) Three hundred and eighty = c) 7 units, 9 hundred and 2 tens = ) A- Search for the right numbers, Then arrange them in a descending order: 45, 374, 62, 98, 123, 7, 56, 712 a) That has a six in the tens place b) That has a 3 in the hundreds place c) That has a 7 in the unit place d) That has a 2 in the tens place ) B- Arrange the above chosen numbers in a descending order , , , ) Form the smallest & greatest 3- digit number from the given digits: Smallest Number: Greatest Number: M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 3 12

4 7) Find A and B on the number line: A B The number A is The number B is ) Arrange the following numbers in the suitable order, according to the sign: 563, 892, 999, 288, < < < < ) Put the suitable sign >, < or =: a) b) 815 Eight hundred and Fifty. c) five hundred and thirteen. 10) Correct the error: 527 = ) Complete the Following: a) The value of the digit 8 in number 584 is b) Who am I? I am a number with 7 units and a tens digit that represents fingers of one hand and 9 hundreds, I am M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 4 12

5 Adding & Subtracting 3-digit Numbers 1) Watch the Following videos: Adding With Re-grouping Subtracting With Re-grouping 1) Find the result of the following: ) Complete the following: a) = b) = c) = d) = e) = f) = M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 5 12

6 g) The Total of and is h) The Difference between smallest 3-digit number formed from 7, 0, 2 and is i) The Sum of the smallest different 3-digit number and is j) = k) = 775 3) Problem Solving: a) Ahmed collected 352 stamps. He gave 215 of them to his brother. How many stamps are left with Ahmed? b) Yassin saved 178 pounds. How much money dose Yassin need to buy a Mobile for 450 pounds? c) In a garden there are 269 orange trees and 236 banana trees. How many trees are there in this garden? M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 6 12

7 d) Omar wrote a list of all the numbers between 0 and 35. How many times did he write the digit 5 in this list? e) Alia bought a T-shirt for 220 L.E and a trouser for 439 L.E. How much money did she paid? D Shapes, Types of lines & Polygons 1) Watch the Following videos: Polygons (Song) Polygons Solids (3-D Shapes) Types of Lines M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 7 12

8 Important Notice: In the video it was mentioned that the cylinder has 2 edges and the cone has 1 edge. It has to be mentioned that the edges of both cylinder and cone are considered as circular edges but when we ask about edges we mean straight edges. Accordingly the cylinder and cone are considered to have ZERO edges. 1) Write the name under each of the following figures: ) Color the figure that represents a polygon and write why it is a polygon? ) Write the number of vertices and sides: Vertices Vertices Vertices Sides Sides Sides M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 8 12

9 4) Write the number of vertices of each solid ) Look at the figure then put ( ) or (x) and correct the error : E B C A F D a) A and B are points on the line. ( ) b) The line is called straight line. ( ) c) D and C are points on the line. ( ) d) F is the starting point of this line. ( ) Good Luck M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 9 12

10 Model Answers (Guide) Place value Page 1 Question 1: Write the Value: Question 2: Write the Place-Value: a) 10 b) 0 c) 900 a) Units b) Hundreds c) Tens Question 3: Complete: a) 520 c) 400 e) b) 348 d) 790 Place value Page 2 Question 4: Numbers in digits: a) 716 b) 380 c) 927 Question 6: Forming Numbers: Smallest: 407 Greatest: 740 Question 5- A: Chosen Numbers: a) 62 b) 374 c) 7 d) 123 Question 5- B: Descending Order: 374, 123, 62, 7 Place value Page 3 Question 7: Numbers on number line: Question 8: Suitable Order is Ascending: Number A = 532 Number B = < 563 < 873 < 892 < 999 Question 9: Comparing >, < or = : Question 10: Correct the error: a) > b) < c) = 527 = = > Question 11: Complete: a) 80 b) 957 Please Watch the Videos M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 10 12

11 Adding & Subtracting 3-digit Numbers Page 4 Question 1: Find the result: a) 612 b) 73 c) 921 d) 327 e) 235 Question 2: Complete: a) 433 (Missing: S + S = B Subtract) b) 262 (Normal Subtraction) c) 148 (Missing: B - S = S Subtract) d) 786 (Missing: B - S = S Add) e) 865 (Normal Addition) f) 193 (Missing: S + S = B Subtract) Adding & Subtracting 3-digit Numbers Page 5 Question 2: Complete: (Continue) g) = 925 (Total) h) = 108 (Difference) i) = 351 (Sum) j) 341 k) 550 (Missing: S + S = B Subtract) Question 3: Problem Solving: a) = 137 Stamps are left b) = 272 Pounds c) = 505 Trees Adding & Subtracting 3-digit Numbers Page 6 d) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34 He wrote it 3 times. e) = 659 Pounds Please Watch the Videos M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 11 12

12 3-D shapes, Types of Lines & Polygons Page 7 Question 1: Write the Names: a) Ray b) Line Segment c) Closed Curve d) Straight Line e) Open Curve Question 2: Color the polygon: These are polygons because they are formed of closed lines Question 3: Color the polygon: Vertices = 7 Vertices = 6 Vertices = 11 Sides = 7 Sides = 6 Sides = 11 In polygons the number of vertices = the number of sides 3-D shapes, Types of Lines & Polygons Page 8 Question 4: Number of Vertices: a) Zero b) 8 c) 1 d) 6 Question 5: Put or X: a) ( ) b) ( X ) The Line is called Line Segment c) ( X ) D, C are outside the line. A, F, B are on the line. d) ( X ) A or B is the starting point of the line. Please Watch the Videos GOOD LUCK M a t h e m a t i c s F i n a l R e v i s i o n s / P a g e 12 12