Do ourselves (Chapter 1.7)
Activities
Match the numbers in the box with the numbers of balls and read with tens
78
95
80
69
87
77
Circle the greater number in each box (By clicking)
Let's add. Make circle if the sum is odd. (By clicking)
Let's subtract. Make circle if the remainder is even. (By clicking)
Fill up the blank spaces with appropriate numbers.
(A) 4, 6, 8,
10
,
12
,14,
16
,
18
,20
(B) 3, 6, 9,
12
,15,
18
,21,
24
,
27
,30
(C) 4, 8, 12,
16
,20,
24
,
28
,32,
36
,40
(D) 10,15,
20
,
25
,30,
35
,
40
,45,
50
,55
(E) 10,
20
,
30
,40,50,
60
,
70
,80,
90
,100