Page 13 - 新思维数学学生用书2 样章
P. 13
1 Numbers to 100
2 Write the missing numbers.
31 35 40
61 62 65
95 100
Worked example 2
This is a column from the 2 Answer: 2
100 square.
Write the missing numbers. 12 12
22
32
Count on
in tens. 2, 12, 22, 42
32, 42, 52, 62, 72, 82,
92. The tens change when 52
I count. The number 62
of ones stays
the same. 72
82
92 92
12
