Page 15 - 新思维数学活动用书3 样章
P. 15
1 Numbers to 1000
8 Mark the numbers from question 7 on the number line.
0 100 200 300 400 500 600 700 800 900 1000
Challenge
9 Compare these numbers. Write some inequalities using < or >.
100s 10s 1s
5 7 4
7 5 3
5 4 7
10 Yusef looks at the place value grid in question 9 and writes:
547 < 753 > 574 753 > 547 < 574
Write some more inequalities like those written by Yusef.
11 What could the missing digit be in each of these inequalities?
634 < 6 1 765 > 83
257 > 25 372 < 72
Record all the possible solutions to 372 < 72.
14