Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/255

Click to flip

255 Cards in this Set

  • Front
  • Back
1+1=
1+2
1+3
1+4
1+5
1+6
1+7
1+8
1+9
1+10
1+11
1+12
1+13
1+14
1+15
1+16
1+17
1+18
2+1
2+2
2+3
2+4
2+5
2+6
2+7
2+8
2+9
2+10
2+11
2+12
2+16
2+17
2+18
3+1
3+2
3+3
3+4
3+5
3+6
3+7
3+8
3+9
3+10
3+11
3+12
3+13
3+14
3+15
3+16
3+17
3+18
4+1
4+2
4+3
4+4
4+5
4+6
4+7
4+8
4+9
4+10
4+11
4+12
4+13
4+14
4+15
4+16
4+17
4+18
5+1
5+2
5+3
5+4
5+5
5+6
5+7
5+8
5+9
5+10
5+11
5+12
5+13
5+14
5+15
5+16
5+17
5+18
6+1
6+2
6+3
6+4
6+5
6+6
6+7
6+8
6+9
6+10
6+11
6+12
6+13
6+14
6+15
6+16
6+17
6+18
7+1
7+2
7+3
7+4
7+5
7+6
7+7
7+8
7+9
7+10
7+11
7+12
7+13
7+14
7+15
7+16
7+17
7+18
8+1
8+2
8+3
8+4
8+5
8+6
8+7
8+8
8+9
8+10
8+11
8+12
8+13
8+14
8+15
8+16
8+17
8+18
9+1
9+2
9+3
9+4
9+5
9+6
9+7
9+8
9+9
9+10
9+11
9+12
9+13
9+14
9+15
9+16
9+17
9+18
10+1
10+2
10+3
10+4
10+5
10+6
10+7
10+8
10+9
10+10
10+11
10+12
10+13
10+14
10+15
10+16
10+17
10+18
11+1
11+2
11+3
11+4
11+5
11+6
11+7
11+8
11+9
11+10
11+11
11+12
11+13
11+14
11+15
11+16
11+17
11+18
12+1
12+2
12+3
12+4
12+5
12+6
12+7
12+8
12+9
12+10
12+11
12+12
12+13
12+14
12+15
12+16
12+17
12+18
13+1
13+2
13+3
13+4
13+5
13+6
13+7
13+8
13+9
13+10
13+11
13+12
13+13
13+14
13+15
13+16
13+17
13+18
14+1
14+2
14+3
14+4
14+5
14+6
14+7
14+8
14+9
14+10
14+11
14+12
14+13
14+14
14+15
14+16
14+17
14+18
15+1
15+2
15+3
15+4
15+5
15+6
15+7
15+8
15+9
15+10
15+11
15+12
15+13
15+14
15+15
15+16
15+17
15+18
16+1
16+2
16+3
16+4
16+5
16+6
16+7
16+8
16+9
16+10
16+11
16+12
16+13
16+14
16+15
16+16
16+17
16+18
17+1
17+2
17+3
17+4
17+5
17+6
17+7
17+8
17+9
17+10
17+11
17+12
17+13
17+14
17+15
17+16
17+17
17+18
18+1
18+2
18+3
18+4
18+5
18+6
18+7
18+8
18+9
18+10
18+11
18+12
18+13
18+14
18+15
18+16
18+17
18+18
1-0
1-1
2-0
2-1
2-2
3-0
3-1
3-2
3-3
4-0
4-1
4-2
4-3
4-4
5-0
5-1
5-2
5-3
5-4
5-5
6-0
6-1
6-2
6-3
6-4
6-5
6-6
7-0
7-1
7-2
7-3
7-4
7-5
7-6
7-7
8-0
8-1
8-2
8-3
8-4
8-5
8-6
8-7
8-8
9-0
9-1
9-2
9-3
9-4
9-5
9-6
9-7
9-8
9-9
10-0
10-1
10-2
10-3
10-4
10-5
10-6
10-7
10-8
10-9
10-10
11-0
11-1
11-2
11-3
11-4
11-5
11-6
11-7
11-8
11-9
11-10
11-11
12-0
12-1
12-2
12-3
12-4
12-5
12-6
12-7
12-8
12-9
12-10
12-11
12-12
13-0
13-1
13-2
13-3
13-4
13-5
13-6
13-7
13-8
13-9
13-10
13-11
13-12
13-13
14-1
14-2
14-3
14-4
14-5
14-6
14-7
14-8
14-9
14-10
14-11
14-12
14-13
14-14
15-0
15-1
15-2
15-3
15-4
15-5
15-6
15-7
15-8
15-9
15-10
15-9
15-10
15-11
15-12
15-13
15-14
15-15
16-0
16-1
16-2
16-3
16-4
16-5
16-6
16-7
16-8
16-9
16-10
16-11
16-12
16-13
16-14
16-15
16-16
17-0
17-1
17-2
17-3
17-4
17-5
17-6
17-7
17-8
17-9
17-10
17-11
17-12
17-13
17-14
17-15
17-16
17-17
18-0
18-1
18-2
18-3
18-4
18-5
18-6
18-7
18-8
18-9
18-10
18-11
18-12
18-13
18-14
18-15
18-16
18-17