Show:
1
2
3
4
Making 10
100
What is the addition equation that matches 7-1
1+6
100
What is the addition equation that matches 6-2
2+4
100
What is the addition equation that matches 6-3
3+3
100
What is the addition equation that matches 8-4
4+4
100
What is the addition equation that matches 10-2
2+8
200
What is the addition equation that matches 8-1
1+7
200
What is the addition equation that matches 7-2
2+5
200
What is the addition equation that matches 7-3
3+4
200
What is the addition equation that matches 9-4
4+5
200
What is the addition equation that matches 10-3
3+7
300
What is the addition equation that matches 9-1
1+8
300
What is the addition equation that matches 8-2
2+6
300
What is the addition equation that matches 8-3
3+5
300
What is the addition equation that matches 10-4
4+6
300
What is the addition equation that matches 10-4
4+6
400
What is the addition equation that matches 3-1
1+2
400
What is the addition equation that matches 9-2
2+7
400
What is the addition equation that matches 9-3
3+6
400
What is the addition equation that matches 11-4
4+7
400
What is the addition equation that matches 10-5
5+5
500
What is the addition equation that matches 10-1
1+9
500
What is the addition equation that matches 10-2
2+8
500
What is the addition equation that matches 10-3
3+7
500
What is the addition equation that matches 12-4
4+8
500
What is the addition equation that matches 10-9
9+1