Find the value of the following and also draw their bar models. Class 8

Find the value of the following and also draw their bar models. Class 8

Question 1.

Find the value of the following and also draw their bar models. Class 8

(i) 25% of 160

(ii) 16% of 250

(iii) 62% of 360

(iv) 140% of 40

(v) 1% of 1 hour

(vi) 7% of 10 kg.

Solution:

(i) 25% of 160 = [latex]\frac{25}{100}[/latex] × 160 = 40.

Bar model

(ii) 16% of 250 =[latex]\frac{16}{100}[/latex] × 250 = 40.

Bar model (25 parts)

(iii) 62% of 360 = [latex]\frac{62}{100}[/latex] × 360 = 223.2.

Bar model

(iv) 140% of 40 = [latex]\frac{140}{100}[/latex] × 40 = 56.

Bar model

(v) 1% of 1 hour = [latex]\frac{0}{100}[/latex] × 60 minutes.

= [latex]\frac{1}{100}[/latex] × 60 × 60 seconds

= 36 seconds

Bar model

(vi) 7% of 10 kg = [latex]\frac{7}{100}[/latex] × 10 kg = 0.7 kg

Bar model