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MATHΜΑΤΙΚΑ B 08 EPAN

MATHΜΑΤΙΚΑ_B-08 EPAN.pdf

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Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ¢óêçóç á Âñßóêù ôï ëÜèïò. ÎáíáãñÜöù óùóôÜ ôïõò õðïëïãéóìïýò. 45 + 20 = 66 83 - 10 = 75 62 - 20 = 40 Þ 15 + 11 = 26 Þ 45 + 20 = 65 Þ 83 - 10 = 73 Þ 62 - 20 = 42 Þ 14 + 11 = 25 Þ 45 + 21 = 66 Þ 85 - 10 = 75 Þ 62 - 22 = 40 15 + 11 = 25 ëýóç ÁðÜíôçóç óôçí Üóêçóç á ôåôñ. åñãáóéþí, óåë. 22 13 + 10 = 23 35 + 21 = 56 67 - 10 = 57 82 - 20 = 62 11 + 10 = 21 35 + 30 = 65 67 + 10 = 77 82 - 22 = 60 ¢óêçóç â Âñßóêù ôïõò áñéèìïýò ðïõ åßíáé ìéêñüôåñïé áðü ôï 80 êáé ôåëåéþíïõí óå 0. Ôïõò ãñÜöù áðü ôï ìéêñüôåñï óôï ìåãáëýôåñï: ëýóç 10 < ......< 20 ...... 30 < ...... 40 < 50 60 <...... 70 ...... ...... < ...... ÁðÜíôçóç óôçí Üóêçóç â ôåôñ. åñãáóéþí, óåë. 22 5 < ......< 15 ...... 25 < ...... 35 < ...... 45 < ...... 55 ...... 57 Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ¢óêçóç ã Ðáñáôçñþ êáé ÷ñùìáôßæù ôïõò êñßêïõò ôçò áëõóßäáò ìå ôïí ßäéï ôñüðï êÜèå öïñÜ. Åêôéìþ ðïéá áëõóßäá Ý÷åé ôïõò ðåñéóóüôåñïõò ÷ñùìáôéóôïýò êñßêïõò. ÂÜæù √ óôï óùóôü: ôï ðñþôï ôï äåýôåñï √ Óõìðëçñþíù ôïõò ðßíáêåò. ¢óðñïé êñßêïé 7 .......... ÐñÜóéíïé êñßêïé 10 .......... ¼ëïé ïé êñßêïé 17 .......... ÁðÜíôçóç óôçí Üóêçóç ã ôåôñ. åñãáóéþí, óåë. 22 ÐñÜóéíïé êñßêïé 11 .......... ¼ëïé ïé êñßêïé 19 .......... Ïé ÷ñùìáôéóôÝò ÷Üíôñåò åßíáé êáé óôá äýï êïñäüíéá ßóåò. ÐñÜóéíåò ÷Üíôñåò 10 .......... 6 .......... ¼ëåò ïé ÷Üíôñåò 16 .......... ¢óðñåò ÷Üíôñåò 58 58 8 .......... ¢óðñïé êñßêïé Êüêêéíåò ÷Üíôñåò 9 ......... 6 .......... ¼ëåò ïé ÷Üíôñåò 15 .......... ¢óðñåò ÷Üíôñåò Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ÁðÜíôçóç óôçí Üóêçóç ä ôåôñ. åñãáóéþí óåë. 22 Åãþ Ï äéðëáíüò ìïõ ¢óêçóç ä Âñßóêù ôïõò áñéèìïýò ðïõ ëåßðïõí. • 30 + 5 + 4 = ..... • 40 + 40 = ..... • 12 + 13 = ..... • 20 + ..... = 30 • 60 + ..... = 90 • 28 + ..... = 33 • 95 - 10 = ..... • 89 - 9 - 10 = ..... • 40 - 10 - 1 = ..... • 30 - 10 - 1 = ..... • 45 - 5 - 5 = ..... • 50 - 1 = ..... ëýóç • 30 + 5 + 4 = 39 ○ ○ • 40 + 40 = 80 ○ • 12 + 13 = 25 ○ ○ • 20 + 10 = 30 • 60 + 30 = 90 • 95 - 10 = 85 • 89 - 9 - 10 = 70 ○ ○ ○ ○ • 30 - 10 - 1 = 19 ○ • 28 + 5 = 33 ○ ○ ○ ○ ○ • 45 - 5 - 5 = 35 ○ ○ ○ ○ ○ • 40 - 10 - 1 = 29 ○ • 50 - 1 = 49 ○ ○ ○ 59 Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ÁðÜíôçóç óôçí Üóêçóç å ôåôñ. åñãáóéþí óåë. 23 • 30 + 10 + 5 = 45 • 30 + 30 = 60 • 20 + 20 = 40 • 50 + 40 = 90 • 85 - 10 = 75 • 79 - 1 - 10 = 68 ○ ○ ○ ○ ○ ○ • 15 + 13 = 28 ○ ○ ○ ○ ○ • 35 - 5 - 5 = 25 ○ ○ • 27 + 5 = 32 ○ ○ ○ • 20 - 10 - 1 = 9 60 60 ○ ○ ○ ○ • 30 - 10 - 1 = 19 ○ • 50 - 1 = 49 ○ ○ ○ Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ¢óêçóç å Ï ÃéáííÜêçò óôçí âéâëéïèÞêç ôïõ Ý÷åé 10 êüìéêò, 5 ðåñéïäéêÜ êáé 4 ðáñáìýèéá. Ðüóá âéâëßá Ý÷åé óõíïëéêÜ; Õðïëïãßæù ìå áêñßâåéá. ëýóç 10 + 5 + 4 = 19 âéâëßá Ý÷åé óõíïëéêÜ ¢óêçóç óô ÌÝóá óå Ýíá åíõäñåßï õðÞñ÷áí 13 ÷ñõóüøáñá. Ç ìáìÜ ìïõ áãüñáóå 3 ÷ñõóüøáñá êáé ç ößëç ôçò 5 ÷ñõóüøáñá. Ðüóá ÷ñõóüøáñá Ýìåéíáí óôï åíõäñåßï; • Åêôéìþ: ÂÜæù √ ðåñßðïõ 10 ðåñßðïõ 6 • Õðïëïãßæù ìå áêñßâåéá 61 Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ëýóç • ðåñßðïõ 10 √ ðåñßðïõ 6 • Ìå ðñüóèåóç âñßóêù ðüóá áãüñáóáí êáé ìå áöáßñåóç ðüóá Ýìåéíáí 3+5=8 13 - 8 = 5 ÁðÜíôçóç óôçí Üóêçóç óô ôåôñ. åñãáóéþí óåë. 23 ðåñßðïõ 15 ðåñßðïõ 20 √ Õðïëïãßæù ìå áêñßâåéá: 8 + 7 + 6 = 21 ðåñßðïõ 10 ðåñßðïõ 5 √ • Õðïëïãßæù ìå áêñßâåéá: 62 62 Ìå ðñüóèåóç âñßóêù ðüóá áãüñáóáí 3+5=8 êáé ìå áöáßñåóç ðüóá Ýìåéíáí 14 - 8 = 6 Åðáíáëçðôéêü: ÊåöÜëáéá 1 - 8 ¢óêçóç æ Ðïéïõò áñéèìïýò ìðïñþ íá öôéÜîù ìÝ÷ñé ôï 100, ðïõ íá Ý÷ïõí ðÜíù áðü 5 äåêÜäåò êáé ðÜíù áðü 6 ìïíÜäåò; Ïé äéøÞöéïé ðïõ Ý÷ïõí ðÜíù áðü 5 äåêÜäåò åßíáé ïé 51 - 99. Áðü áõôïýò åðéëÝãù ôïõò áñéèìïýò ðïõ Ý÷ïõí ðÜíù áðü 6 ìïíÜäåò. Ïé áñéèìïß áõôïß åßíáé: 57, 58, 59, 67, 68, 69, 77, 78, 79, 87, 88, 89, 97, 98, 99 ÁðÜíôçóç óôçí Üóêçóç æ ôåôñ. åñãáóéþí óåë. 23 Ïé äéøÞöéïé ðïõ Ý÷ïõí ðÜíù áðü 6 äåêÜäåò åßíáé ïé 61 - 99. Áðü áõôïýò åðéëÝãù ôïõò áñéèìïýò ðïõ Ý÷ïõí ðÜíù áðü 7 ìïíÜäåò. Ïé áñéèìïß ðïõ ðñïêýðôïõí åßíáé: 68, 69, 78, 79, 88, 89, 98, 99 63

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