Divide two- or three-digit numbers by tens

Review Can you calculate? 3×20= 60 9×30= 270 40×4= 160

Review Can you calculate? 8÷2= 4 9÷3= 3 24÷4= 6 80÷20= 4 90÷30= 3 240÷40= 6

Paper-cut is a picture cut out on a paper with scissors. The pictures usually express the feelings of joy and the perceptions in life. The patterns are often designed from events in the jubilant festivals, stories of the folk opera, children or animals and others.

82 paper-cuts for 30 children. How many can each one get? 82÷30

82÷30 circle by 30 ( )×30＜82 2 ( )×30＞82 3 2 So, ___ 30s in 82, ___ remain. 22

Practice 336÷70 ( )×70＜336 4 ( )×70＞336 5 4 So, ___ 70s in 336, ( )×70＜336 4 ( )×70＞336 5 4 So, ___ 70s in 336, ___ remain. 56

Practice 1. Fill in the blank 83÷40 125÷30

82 paper-cuts for 30 children. How many can each one get? 82÷30

reasoning 82÷30 quotient 8÷3 ( ) 2 80÷30 ( ) 2 82÷30 ( ) 2 2 8÷3 ( ) 2 80÷30 ( ) reasoning 2 82÷30 ( ) 2 2 So, ___ 30s in 82, ___ remain. 22

Practice 276÷60 quotient 27÷6 ( ) 4 276÷60 ( ) 4 4 So, ___ 60s in 276, 27÷6 ( ) 4 276÷60 ( ) 4 4 So, ___ 60s in 276, ___ remain. 36

Practice 2. Reasoning 83÷40 125÷30

82 paper-cuts for 30 children. How many can each one get? 82÷30= 2 r22 82 30 60 ······2×30 22

372÷90= 4r12 4 r12 372 90 360 12

Practice 3. Long division