Page 18 - Start Up Mathematics_1

Short Form

To write the short form of an expanded number, we write the face value of each
digit in the correct place.

Look at the given example.

H T O
100 + 20 + 8 = 1 2 8

The place value of 1 is 1 hundred. So, we
write 1 at the hundreds place.

The place value of 2 is 2 tens. So, we write
2 at the tens place.

The place value of 8 is 8 ones. So, we write
8 at the ones place.

Similarly,

100 + 6 = 106 100 + 80 + 6 = 186

Quick Tip

We can write a number in three different forms.

Short form Word form/Number name Expanded form
174 One hundred seventy-four 100 + 70 + 4

9 Write the short form of the following numbers.

(a) 100 + 6 = _________ (b) 100 + 20 + 9 = _________

(c) 100 + 40 + 4 = _________ (d) 100 + 80 + 7 = _________

(e) 100 + 90 = _________ (f) 100 + 10 + 1 = _________

(g) 100 + 30 + 9 = _________ (h) 100 + 50 + 4 = _________

10