😀😁☺️💃🏾Kaleigh math

Mathematician

1000

9x12=?

What is 108

2000

12x13=?

What 156

3000

11x99=?

What is 1089

4000

99x10=?

What is 990

5000

88x88=?

What is 7744

Add

1000

78+21=?

What is 99

2000

158+88=? 

246

3000

2,555+134

2,689

4000

3,000+564

3,564

5000

3,444+421

3,865

Decimal

1000

4.5+2.0=?

6.5

2000

9.9+9.8=?

1.97

3000

88.88+99.71

188.59

4000

33.33+99.76

133.09

5000

88.2+9.2

97.4