Page 67 - ICSE Math 1

H T O
Tens Ones
Eighteen is one with eight. 1 8

Eighteen 1 ten + 8 ones

1 bead in rod T shows

1 ten and 8 beads in
rod O show 8 ones.

H T O

Tens Ones
Nineteen is one with nine.
1 9

Nineteen 1 ten + 9 ones

1 bead in rod T shows
1 ten and 9 beads in

rod O show 9 ones.

H T O

Tens Ones
Twenty is two with zero.
2 0

Twenty 2 tens + 0 ones

2 beads in rod T
show 2 tens or 20.

1. Fill in the blank boxes with numbers or number names.

(a) fourteen (b) 17

(c) nineteen (d) 16

(e) ten (f) 20

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