Page 9 - 新思维数学学生用书4 样章
P. 9
1 Numbers and the
number system
Getting started
1 Write the term-to-term rule for finding the next term in these
sequences.
a 185, 180, 175, ... b 235, 245, 255, ...
c 901, 801, 701, ...
2 Read these numbers to your partner, then write each number in
words.
a 601 b 299 c 111
3 Write the number you make when you put the place-value cards
together.
a
3 0 0
6 0
4
b
9 0 0
9
4 Copy and complete these number sentences.
a 562 = + 60 + b 305 = 300 +
5 Write the missing numbers.
a 16 × 10 = b 56 × = 560
8
