MultiplicationDivisionSubtractionAddition Mathematics Year 2 Click on the topic that you want Objectives

MultiplicationDivisionSubtractionAddition 1.To review and reinforce the mathematics practice done to date (addition, subtraction, multiplication and division). 2.To count the number, to understand the composition, the order and size of the number, how to read and write, and the meaning of addition, subtraction, multiplication and division. Objectives

MultiplicationDivisionSubtractionAddition How to solve the problem? Add without regrouping h t o 364 First, add the ones Then, add the tens. _587 Finally, add the hundreds. + exercise

MultiplicationDivisionSubtractionAddition Let’s try Add = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) Let’s click me check your answer!

MultiplicationDivisionSubtractionAddition Let’s try Add =(578) =(575) =(439) =(698) =(189) =(786) =(254) =(597)

MultiplicationDivisionSubtractionAddition Subtract without regrouping Take out 6 from 9 h t o First, subtract the ones. 769 Then, subtract the tens Finally, subtract the hundreds 263 exercise

MultiplicationDivisionSubtractionAddition Subtract = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) = ( ) Let’s try Let’s click me check your answer!

MultiplicationDivisionSubtractionAddition Subtract =(231) =(221) =(656) =(443) =(110) =(401) =(256) = (767) Let’s try

MultiplicationDivisionSubtractionAddition Multiplication Recognize multiplication as repeated addition = 12 There are 3 groups of 4 flowers 3 x 4 = 12 Three times four equals twelve Four plus four plus four equals twelve Exercise 1

MultiplicationDivisionSubtractionAddition 1. Let’s try Complete the number sentences = ( )2 x 7 = ( ) = ( ) 3 x 3 = ( ) Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition 1. Let’s try Complete the number sentences = (14)2 x 7 = (14) = (9) 3 x 3 = (9) Excellent! Next

MultiplicationDivisionSubtractionAddition Multiplication Table X Exercise 2

MultiplicationDivisionSubtractionAddition Let’s try 1. 8 x 4 = ( )5. 9 x 3 = ( ) 2. 5 x 5 = ( )6. 7 x 2 = ( ) 3. 9 x 1 = ( )7. 8 x 5 = ( ) 4. 6 x 4 = ( )8. 7 x 1 = ( ) Multiply Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition Let’s try 1. 8 x 4 = (32)5. 9 x 3 = (27) 2. 5 x 5 = (25) 6. 7 x 2 = (14) 3. 9 x 1 = (9 )7. 8 x 5 = (40) 4. 6 x 4 = (24)8. 7x 1 = (7 ) Multiply Exercise 3

Know by heart multiplication table x Which pair has the same product? Let’s click me to check your answer!

Know by heart multiplication table x Well done! Next

MultiplicationDivisionSubtractionAddition 5 x 1 = 5 1 x 5 = 5 5 x 1 1 x x 2 = 12 4 x 3 = 12 6 x 2 4 x 3 12 Next

MultiplicationDivisionSubtractionAddition 5 x 3 = 15 3 x 5 = 15 5 x 3 3 x x 2 = 18 6 x 3 = 18 9 x 2 6 x 3 18 Exercise 4

MultiplicationDivisionSubtractionAddition Let’s try 1. 8 x ( ) = = ( ) x x ( ) = = 6 x ( ) 3. ( ) x 1 = = ( ) x 3 4. ( ) x 4 = = ( ) x 4 Multiply Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition Let’s try 1. 8 x (4) = = (3) x x (9) = = 6 x (2) 3. (8) x 1 = = (7) x 3 4. (7) x 4 = = (9) x 4 Multiply

MultiplicationDivisionSubtractionAddition Recognize division as sharing equally Division Miss Lee distributes 8 cake among 2 pupils. Let’s see how Miss Lee does it. Each pupils will get the same number of balls. Sharing involves distributing objects, one by one until a the objects are finished. Next

MultiplicationDivisionSubtractionAddition Recognize division as sharing equally Division 8 ÷ 2 = 4 8 divided by 2 equals 4. So, each pupils gets cakes. 4 Next

MultiplicationDivisionSubtractionAddition Recognize division as grouping Division Let’s make group of 5 cups of coffee. How many groups do you get ? Next

MultiplicationDivisionSubtractionAddition Recognize division as grouping Division 20 ÷ 5 = 4 20 divided by 5 equals 4 So, I get groups √ Exercise 1

MultiplicationDivisionSubtractionAddition 1. Let’s try Divided. Then, write the number sentences 2. ÷= ÷= Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition 1. Let’s try Divided. Then, write the number sentences ÷= 12 ÷ 4 = 3 Very good! Exercise 2

MultiplicationDivisionSubtractionAddition Let’s try 1. 24÷ 4 = ( )5. 27÷ 3 = ( ) 2. 60÷ 5 = ( ) 6. 20÷ 2 = ( ) 3. 5 ÷ 1 = ( )7. 33÷ 3 = ( ) 4. 32÷ 4 = ( )8. 7 ÷ 1 = ( ) Division Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition Let’s try 1. 24÷ 4 = (6)5. 27÷ 3 = (9) 2. 60÷ 5 = (6) 6. 20÷ 2 = (10) 3. 5 ÷ 1 = (5)7. 33÷ 3 = (11) 4. 32÷ 4 = (8)8. 7 ÷ 1 = (7) Division Exercise 3

MultiplicationDivisionSubtractionAddition Let’s try ÷ ( ) = ÷ ( ) = ÷ ( ) = = ( ) ÷ 2 3. ( ) ÷ 1 = ÷ ( ) = 7 4. ( ) ÷ 4 = = ( ) ÷ 4 Multiply Let’s click me to check your answer!

MultiplicationDivisionSubtractionAddition Let’s try ÷ (9) = ÷ (3) = ÷ (5) = = (12) ÷ 2 3. (8) ÷ 1 = ÷ (3) = 7 4. (36) ÷ 4 = = (16) ÷ 4 Multiply

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