Multiples of ten
1 + ____ =10
1+_____=1000
9
999
12x1000
12000
10
10 _____
0
8 + 2 = 10
2 + 8 = 10
10 - 2 = 8
10 - 8 = 2
10
8 2
[54]X29
50+4
6 + ____= 10
60+____=100
4
40
10x8
80
4
40 ____
10
6 + 4 =10
4 + 6 =10
10 - 6 = 4
10 - 4 = 6
10
4 6
10+3
7 + ____ = 10
70+_____=100
3
30
1000x200
200000
8
2 ____
6
7 + 3 = 10
3 + 7 = 10
10 - 7 = 3
10 - 3 = 7
10
7 3
94X[38]
30+8
8 + _____ = 80
80+_____=150
72
70
108x1
108
9
54 ____
6
9 + 1 = 10
1 + 9 = 10
10 - 1 = 9
10 - 9 = 1
10
9 1
86X[77]
70+7
500 + _____ = 550
5+_____=550
50
545
31098x2 00
6396 00
1
2 ____
2
10 + 0 = 10
0 + 10 = 10
10 - 0 = 10
10 - 0 = 10
10
10 0
[23]X23
20+3