Page 44 - NUMINO TG_2A
P. 44
02Which Car Is Faster? Unit
Material Number Cards [A3]
CMath Vo abulary greatest number: the largest number out of 2 or more numbers
smallest number: the smallest number out of 2 or more numbers
Chosen Cards 3-Digit Numbers The The
Largest Smallest
Sample Answer Number Number 2. Remind students that they cannot use 0 in
8 1 4 148, 184, 418, 481, 814, 841 the hundreds place.
841 148 The following is an example of how 2c. can be
explained.
2 Use each number card from 0 to 9 only once to make 3-digit To make the greatest possible number,
what number should go in the hundreds
numbers that meet the condition below. place? 9.
What about in the ones place? 8, which is
a 29 8 the next largest number.
The largest 3-digit number When making the smallest possible
number, what number should go in the
with a 2 in the hundreds place hundreds place? 1.
What about in the ones place? 0.
b 89 7 Why can’t we use 0 in the hundreds place?
The largest 3-digit number with If we use 0 in the hundreds place, the number
an 8 in the hundreds place The Largest The Smallest becomes a 2-digit number, so we cannot use 0.
c 93 8 130 3. Check Point
The largest and the smallest 3-digit
numbers with a 3 in the tens place Students can learn how to make the greatest
and the smallest numbers using the given 3
d The Largest The Smallest numbers.
The largest and the smallest 3-digit
numbers with a 7 in the ones place 9 87 1 07 How to make the greatest number: The
greatest number must go in the hundreds
2. Which Car Is Faster? 19 place, and the second greatest number must
go in the tens place.
How to make the smallest number:
Excluding 0, the smallest number must go in
the hundreds place and the next smallest
number must go in the tens place.
Have students make the second greatest and the second 346508
smallest numbers. Have them choose 3 cards from the
following 6 cards.
Solutions: The greatest number you can make is 865. To make the second greatest number, change the
number in the ones place. The second greatest number is 864.
The smallest number is 304. To make the second smallest number, change the number in the
ones place. The second smallest number is 305.
Answers: 864, 305
2A Unit 02 027
Material Number Cards [A3]
CMath Vo abulary greatest number: the largest number out of 2 or more numbers
smallest number: the smallest number out of 2 or more numbers
Chosen Cards 3-Digit Numbers The The
Largest Smallest
Sample Answer Number Number 2. Remind students that they cannot use 0 in
8 1 4 148, 184, 418, 481, 814, 841 the hundreds place.
841 148 The following is an example of how 2c. can be
explained.
2 Use each number card from 0 to 9 only once to make 3-digit To make the greatest possible number,
what number should go in the hundreds
numbers that meet the condition below. place? 9.
What about in the ones place? 8, which is
a 29 8 the next largest number.
The largest 3-digit number When making the smallest possible
number, what number should go in the
with a 2 in the hundreds place hundreds place? 1.
What about in the ones place? 0.
b 89 7 Why can’t we use 0 in the hundreds place?
The largest 3-digit number with If we use 0 in the hundreds place, the number
an 8 in the hundreds place The Largest The Smallest becomes a 2-digit number, so we cannot use 0.
c 93 8 130 3. Check Point
The largest and the smallest 3-digit
numbers with a 3 in the tens place Students can learn how to make the greatest
and the smallest numbers using the given 3
d The Largest The Smallest numbers.
The largest and the smallest 3-digit
numbers with a 7 in the ones place 9 87 1 07 How to make the greatest number: The
greatest number must go in the hundreds
2. Which Car Is Faster? 19 place, and the second greatest number must
go in the tens place.
How to make the smallest number:
Excluding 0, the smallest number must go in
the hundreds place and the next smallest
number must go in the tens place.
Have students make the second greatest and the second 346508
smallest numbers. Have them choose 3 cards from the
following 6 cards.
Solutions: The greatest number you can make is 865. To make the second greatest number, change the
number in the ones place. The second greatest number is 864.
The smallest number is 304. To make the second smallest number, change the number in the
ones place. The second smallest number is 305.
Answers: 864, 305
2A Unit 02 027
