Doubles
Pick the doubles fact below:
51+51
15+51
55+11
51+51
10+11
22
9+8
17
18
10+8
30+15
45
5+5
10
15+16
31
14+13
27
30+1
31
44+35
79
12+12
24
43+44
87
32+31
63
Write the expanded form for 43.
40+3
62+28
90
What is the doubles fact for 52?
26+26
What is the doubles plus one fact for 35?
17+18
What is the doubles minus one fact for 45?
23+22
Write the expanded form for 70
70+0
59+24
83
What is the doubles fact for 98?
49+49
What is the doubles plus one fact for 57?
28+29
What is the doubles minus one fact for 73?
37+36
Write the expanded form for 99.
90+9
77+15
92