Chapter 2 Our Number System, Addition And Subtraction Examples And Worksheet Page 7
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3039
OUR NUMBER SYSTEM, ADDITION AND SUBTRACTION (CHAPTER 2)
d
e
f
g
h
i
6
Draw quick sketches of abacii showing these numbers.
3617
5088
13 621
27 013
a
b
c
d
10 002
8007
38
98989
e
f
g
h
C
NUMBERS IN WORDS
Sometimes numbers are given
to us in word form and we have
to write them in digit form.
I need “three
hundred and
eighty five rivets”.
It is often useful to write numbers on a place value chart like this one.
ten thou
thousands
hundreds
tens
ones
3
7
4
1
6
This row shows
the number 37 416
. .
.
EXERCISE 2C
1
Use a place value chart and cards to build these numbers.
a
five thousand, seven hundred and forty four
DEMO
b
two thousand, nine hundred and eleven
c
eight thousand and eight
d
fifteen thousand, two hundred and thirty seven
e
twenty four thousand, six hundred and one
f
eighty eight thousand, eight hundred
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