Page 221 - New Medley 2 Semester 1

6. Now, the first student takes one square piece of hundreds and
cuts it into 10 strips of tens. Hence, he/she puts them in the

tens column.

Hundreds Tens Ones

7. Now, the second student removes 7 pieces from the ones column
and 4 strips from the tens column and shows the result as given

below.

Hundreds Tens Ones

Observation
231 – 47 = 184

Now, 231 = 2 hundreds 3 tens 1 one

= 2 hundreds 2 tens 11 ones

= 1 hundred 12 tens 11 ones

Then, 1 hundred 12 tens 11 ones

– 4 tens 7 ones

1 hundred 8 tens 4 ones

Instruction for teachers

Ask the students to perform the above activity.

1. 320 – 56 2. 152 – 48 3. 435 – 67

THINK AND ANSWER • Logical reasoning

From the number just before the largest three digit number subtract

the number just after the smallest three digit number.

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