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Mathematical Operations 1) 21 + 89 = 110 ? 2) 34- 29 = ? 5 3) 25 x 9 = ?225 4) 80 : 5 = ?16 5) 15 x 3 = ?45 6) 123 – 25 = ?98 PLUS MINUS TIMES DIVIDED BY Equals Match the mathematical operations with their signs. a) b) c) d) 12 times 3 is (equals) 36. 12 minus 3 is (equals) 9. 12 divided by 3 is (equals) 4. 12 plus 3 is (equals) 15. Match the mathematical operations with their written forms. A) 16 + 4 = 20 B) 16 - 4 = 12 C) 16 x 4 = 64 D) 16 : 4 = 4 1. Sixteen times four is (equals) sixty-four. C 2. Sixteen divided by four is (equals) four. D 3. Sixteen plus four is (equals) twenty A 4. Sixteen minus four is (equals) twelve. B Answers 1. Sixteen times four is (equals) sixty-four. C) 16 x 4 = 64 2. Sixteen divided by four is (equals) four. D) 16 : 4 = 4 3. Sixteen plus four is (equals) twenty. A) 16 + 4 = 20 4. Sixteen minus four is (equals) twelve. B) 16 - 4 = 12 Find the correct half of the puzzle 10 + 2 = 12 Ten plus two equals twelve 2 1 3 3+2=5 10-4 =6 4 4x3=12 9-2=7 6 5 5x2=10 14: 7=2 7 8 4+5=9 15:5=3 C A Three plus two equals five Fifteen divided by five equals three B E Five times two equals ten Fourteen divided by seven equals two F 1…….. C 2……. H G 3……… 4…….. D Four plus five equals nine. G Nine minus two equals seven F Ten minus four equals six E 5……. B 6…… H Four times three equals twelve D A 7…….. 8……. Complete the mathematical operations. Then write them in letters by using plus, minus, times, divided by, equals 1. 2. 3. 4. 5. 6. 7. 8. 15+ 33= 48 : Fifteen plus thirty-three equals fourty-eight. 50: :One hundred and fifty divided by three equals fifty. 150 : 3= ……. _______________________________________ minus thirty equals fourty. 77 – 30= 47: …….:Seventy-seven _______________________________________ plus eleven equals sixty-five. 54 + 11= 65: …… :fifty-four _______________________________________ 45: nine times five equals fourty-five. 9 x 5 = ………. : _______________________________________ 49: ninety-eight divided by two equals fourty-nine. 98 : 2= ……… : _______________________________________ 75: fifteen times five equals seventy-five. 15 x 5= …….. : _______________________________________ 5: twentyfour minus nineteen equals five. 24 – 19= …….: _______________________________________ 80+ 4 =84 12+ 45 =57 23+ 23 =46 8+ 53 =61 140+ 55 =195 300+ 45 =345 55+ 25 =80 ADDITION 42- 30 =12 87 – 7 = 80 4- 3 =1 99- 2 =97 23- 6 =17 14- 11 =3 SUBTRACTION 3 x 15 = 45 60 x 15 = 900 8 x 5 = 40 3 x 10 = 30 9 x 3 = 27 11 x 10 = 110 MULTIPLICATION 99 : 3 = 33 60 : 15 = 4 80 : 5 =16 33 : 11 = 3 9:3=3 11 : 1 = 11 DIVISION 1) 12+ 45 =57 2) 42- 30 =12 3) 69: 3 =23 4) 89x 5 =445 Addition Multiplication Subtraction Division Complete the mathematical operations. + (Addition) 2+3= 5 plus three is (equals) five. Two…..…… -(Substraction) 3-1= 1 Three minus two is (equals) one. X (Multiplication) 3x2 = 6 is (equals) six. Three times two ……..…… : (Division) 6:2=3 divided by Six……..…. two is (equals) three. With verbs • If we add 18 to 6, the sum is 24. 18 - 6 = 12 • If we subtract 6 from 18, the sum is 12. 18 x 6 = 108 • If we multiply 18 by 6, the sum is 108. 18 : 6 = 3 • If we divide 18 by 6, the sum is 3. 18 + 6 = 24 Complete the mathematical operations. Then write them in English as in the example. 1. 15+ 33= 48 : If we add fifteen to thirty-three, the sum is fourty-eight. 5: :______________________________________________ If we divide fifteen by three, the sum is five. 2. 15 : 3= ……. 66: If we subtract eleven from seventy-seven, the sum is sixty-six. 3. 77 – 11= .…:______________________________________________ 17: If we add five to twelve, the sum is seventeen. 4. 5 + 12=…....:______________________________________________ 45: If we multiply nine by five, the sum is fourty-five. 5. 9 x 5 = ……..:______________________________________________ 62: If we subtract sixteen from seventy-eight, the sum is sixty-two 6. 78-16=……:______________________________________________ MATH GAME QUESTION 1 Four friends and I are going to play marbles. All of us have got 25 marbles. How many marbles do we all have? 5 x 25 = 125 QUESTION 2 There are 91 dishes on the table. 43 dishes are dirty. How many dishes are clean? 91 -43 = 48 QUESTION 3 My sister has got 42 dolls. She wants to share them into three of us. How many dolls are we going to have each? 42 : 3 = 14 QUESTION 4 There are 39 students in our class. It’s break time and 26 students are in the garden. How many students are there in the classroom? 39-26 = 13 QUESTION 5 My mother has 385 TL. She is going to shopping. She is going to leave 128 TL at home because she doesn’t wan to spend all her money. How much money has she got when she goes shopping? 385- 128 = 257 QUESTION 6 • Bursa is 351 kilometres from Ankara. Sivas is 540 kilometres from Bursa. How far is Ankara to Sivas. 540-351= 189 Bursa is 351 kilometres from Ankara. Sivas is 540 kilometres from Bursa. How far is Ankara to Sivas. Ankara Bursa Sivas 189 351 540 TACK IT 12 times 3 is (equals) __________. 16 minus 3 is (equals) ___________ 11 times 4 is (equals) __________. 12 divided by 2 is (equals) __________. 52 plus 38 is (equals) __________. 86 minus 17 is (equals) __________. 81 divided by 9 is (equals) __________. 102 plus 31 is (equals) __________. 11 plus 36 is (equals) __________. 97 minus 33 is (equals) __________. 7 times 5 is (equals) __________. 63 divided by 3 is (equals) __________. 25 times 5 is (equals) __________. 86 minus 54 is (equals) __________. 45 times 4 is (equals) __________.