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Quarti, quinti e percentuali - Esempi - Schemi

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(0) Moltiplicazione Percentuale (il tot% di...) A parole Come frazione
x 0.25 Dividere il numero in 4 parti e prenderne 1 25% 1/4
x 0.50 Dividere il numero in 4 parti e prenderne 2 50% 2/4
x 0.75 Dividere il numero in 4 parti e prenderne 3 75% 3/4
x 1.25 Dividere il numero in 4 parti e prenderne 5 125% 5/4
x 1.50 Dividere il numero in 4 parti e prenderne 6 150% 6/4
x 1.75 Dividere il numero in 4 parti e prenderne 7 175% 7/4
(A) Moltiplicazione Percentuale (il tot% di...) A parole Come frazione
x 0.2 Dividere il numero in 5 parti e prenderne 1 20% 1/5
x 0.4 Dividere il numero in 5 parti e prenderne 2 40% 2/5
x 0.6 Dividere il numero in 5 parti e prenderne 3 60% 3/5
x 0.8 Dividere il numero in 5 parti e prenderne 4 80% 4/5
x 1.2 Dividere il numero in 5 parti e prenderne 6 120% 6/5
x 1.4 Dividere il numero in 5 parti e prenderne 7 140% 7/5
x 1.6 Dividere il numero in 5 parti e prenderne 8 160% 8/5
x 1.8 Dividere il numero in 5 parti e prenderne 9 180% 9/5
(B) Moltiplicazione Percentuale (il tot% di...) A parole Come frazione Calcolo con frazione
15 x 0.6 60% (il 60% di 15) Dividere 15 in 5 parti e prenderne 3 3/5 di 15 15 × 3/5
20 x 0.2 20% (il 20% di 20) Dividere 20 in 5 parti e prenderne 1 1/5 di 20 20 × 1/5
35 x 0.8 80% (l'80% di 35) Dividere 35 in 5 parti e prenderne 4 4/5 di 35 35 × 4/5
45 x 1.4 140% (il 140% di 45) Dividere 45 in 5 parti e prenderne 7 7/5 di 45 45 × 7/5
60 x 0.4 40% (il 40% di 60) Dividere 60 in 5 parti e prenderne 2 2/5 di 60 60 × 2/5
75 x 1.2 120% (il 120% di 75) Dividere 75 in 5 parti e prenderne 6 6/5 di 75 75 × 6/5
80 x 1.6 160% (il 160% di 80) Dividere 80 in 5 parti e prenderne 8 8/5 di 80 80 × 8/5
90 x 1.8 180% (il 180% di 90) Dividere 90 in 5 parti e prenderne 9 9/5 di 90 90 × 9/5
25 x 0.6 60% (il 60% di 25) Dividere 25 in 5 parti e prenderne 3 3/5 di 25 25 × 3/5
40 x 0.8 80% (l'80% di 40) Dividere 40 in 5 parti e prenderne 4 4/5 di 40 40 × 4/5
(C) Multiplication Percentage Using words As a fraction Compute with fraction
15 x 0.6 60% (the 60% of 15) Divide 15 into 5 parts and take 3 3/5 of 15 15 × 3/5
20 x 0.2 20% (the 20% of 20) Divide 20 into 5 parts and take 1 1/5 of 20 20 × 1/5
35 x 0.8 80% (the 80% of 35) Divide 35 into 5 parts and take 4 4/5 of 35 35 × 4/5
45 x 1.4 140% (the 140% of 45) Divide 45 into 5 parts and take 7 7/5 of 45 45 × 7/5
60 x 0.4 40% (the 40% of 60) Divide 60 into 5 parts and take 2 2/5 of 60 60 × 2/5
75 x 1.2 120% (the 120% of 75) Divide 75 into 5 parts and take 6 6/5 of 75 75 × 6/5
80 x 1.6 160% (the 160% of 80) Divide 80 into 5 parts and take 8 8/5 of 80 80 × 8/5
90 x 1.8 180% (the 180% of 90) Divide 90 into 5 parts and take 9 9/5 of 90 90 × 9/5
25 x 0.6 60% (the 60% of 25) Divide 25 into 5 parts and take 3 3/5 of 25 25 × 3/5
40 x 0.8 80% (the 80% of 40) Divide 40 into 5 parts and take 4 4/5 of 40 40 × 4/5
(D) Percentage Expression as Fifths Decimal Expression Example
20% 1/5 0.2 In a box of 5 items, 1/5 is equivalent to 20%, which is 1 item.
40% 2/5 0.4 You completed 2 fifths of a 5-part task, meaning you finished 40%, or 2 out of 5 parts.
60% 3/5 0.6 3 fifths of 150 is 9, which is 60% of the total.
80% 4/5 0.8 In a 5-liter container, 4 liters represent 80%, which is 4 fifths of the container.
20% 1/5 0.2 20% of 100 is 20, which is 1 fifth of the total.
40% 2/5 0.4 You traveled 40 miles on a 100-mile journey, which is 40% or 2 fifths of the total distance.
60% 3/5 0.6 You completed 60% of your project, which is 3 fifths of the total work.
80% 4/5 0.8 You saved 4 fifths of your goal, which is 80% of the total.
100% 5/5 1.0 By completing all 5 fifths, you achieved the whole or 100%.
120% 6/5 1.2 Exceeding 100%, you reached 120%, which is 6 fifths.
140% 7/5 1.4 140% is equivalent to 7 fifths, surpassing the whole by 2 fifths.
(E) Percentuale Espressione come Quarti Espressione Decimale Rappresentazione Grafica Esempio di Calcolo
25% 1/4 0.25 ■□□□|□□□□ In un gruppo di 4, 1/4 è il 25%. 25% di 100 è 25, che è 1 quarto.
50% 2/4 0.5 ■■□□|□□□□ Hai completato 2 quarti, il che significa il 50%. 50% di 200 è 100, ovvero 2 su 4.
75% 3/4 0.75 ■■■□|□□□□ 3 quarti di 4 rappresentano il 75%. 75% di 300 è 225, che è 3 quarti.
25% 1/4 0.25 ■□□□|□□□□ Il 25% di 100 è 25, che è 1 quarto.
50% 2/4 0.5 ■■□□|□□□□ Hai percorso il 50% di una distanza, che equivale a 2 quarti.
75% 3/4 0.75 ■■■□|□□□□ Hai completato il 75%, che è 3 quarti del totale.
100% 4/4 1.0 ■■■■|□□□□ Hai raggiunto il 100%, che sono 4 quarti del tuo obiettivo.
125% 5/4 1.25 ■■■■|■□□□ Superando il 100%, hai raggiunto il 125%, che è 5 quarti.
150% 6/4 1.5 ■■■■|■■□□ Il 150% equivale a 6 quarti, superando il 100% di 2 quarti.
(F) Percentage Expression in Fourths Decimal Expression Graphic Representation Calculation Example
25% 1/4 0.25 ■□□□|□□□□ In a group of 4, 1/4 is 25%. 25% of 100 is 25, which is 1 fourth.
50% 2/4 0.5 ■■□□|□□□□ You completed 2 fourths, which means 50%. 50% of 200 is 100, or 2 out of 4.
75% 3/4 0.75 ■■■□|□□□□ 3 fourths of 4 represent 75%. 75% of 300 is 225, which is 3 fourths.
25% 1/4 0.25 ■□□□|□□□□ 25% of 100 is 25, which is 1 fourth.
50% 2/4 0.5 ■■□□|□□□□ You covered 50% of a distance, which is 2 fourths."
75% 3/4 0.75 ■■■□|□□□□ You completed 75%, which is 3 fourths of the total.
100% 4/4 1.0 ■■■■|□□□□ You reached 100%, which is 4 fourths of your goal.
125% 5/4 1.25 ■■■■|■□□□ Exceeding 100%, you achieved 125%, which is 5 fourths.
150% 6/4 1.5 ■■■■|■■□□ 150% is equivalent to 6 fourths, surpassing 100% by 2 fourths.
النسبة المئوية التعبير في الأخماس التعبير العشري التمثيل البياني مثال الحساب
20% 1/5 0.2 ■□□□□|□□□□□ في مجموعة من 5، 1/5 هي 20%. 20% من 100 هي 20، والتي هي الخمس الأول.
40% 2/5 0.4 ■■□□□|□□□□□ أكملت خُمسين، مما يعني 40%. 40% من 200 هي 80، والتي هي خُمسين.
60% 3/5 0.6 ■■■□□|□□□□□ 3 أخماس من 5 تمثل 60%. 60% من 300 هي 180، والتي هي 3 أخماس.
80% 4/5 0.8 ■■■■□|□□□□□ 4 أخماس من 5 هي 80%. 80% من 400 هي 320، والتي هي 4 أخماس.
20% 1/5 0.2 ■□□□□|□□□□□ 20% من 100 هي 20، والتي هي الخمس الأول.
40% 2/5 0.4 ■■□□□|□□□□□ غطيت 40% من مسافة، والتي تعادل خُمسين.
60% 3/5 0.6 ■■■□□|□□□□□ أكملت 60%، والتي هي 3 أخماس من المجموع.
80% 4/5 0.8 ■■■■□|□□□□□ وصلت إلى 80%، والتي هي 4 أخماس من هدفك.
120% 6/5 1.2 ■■■■■|■□□□□ متجاوزاً 100%، حققت 120%، والتي هي 6 أخماس.
140% 7/5 1.4 ■■■■■|■■□□□ 140% تعادل 7 أخماس، متجاوزة الكل ب 2 خُمسين.
النسبة المئوية التعبير في الأرباع التعبير العشري التمثيل البياني مثال الحساب
25% 1/4 0.25 ■□□□|□□□□ في مجموعة من 4، 1/4 هي 25%. 25% من 100 هي 25، والتي هي الربع الأول.
50% 2/4 0.5 ■■□□|□□□□ أكملت ربعين، مما يعني 50%. 50% من 200 هي 100، والتي هي ربعين.
75% 3/4 0.75 ■■■□|□□□□ 3 أرباع من 4 تمثل 75%. 75% من 300 هي 225، والتي هي 3 أرباع."
25% 1/4 0.25 ■□□□|□□□□ 25% من 100 هي 25، والتي هي الربع الأول.
50% 2/4 0.5 ■■□□|□□□□ غطيت 50% من مسافة، والتي تعادل ربعين.
75% 3/4 0.75 ■■■□|□□□□ أكملت 75%، والتي هي 3 أرباع من المجموع.
100% 4/4 1.0 ■■■■|□□□□ وصلت إلى 100%، والتي هي 4 أرباع من هدفك.
125% 5/4 1.25 ■■■■|■□□□ متجاوزا 100%، حققت 125%، والتي هي 5 أرباع.
150% 6/4 1.5 ■■■■|■■□□ 150% تعادل 6 أرباع، متجاوزا الكل ب 2 ربعين.

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