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

1/49

Click to flip

49 Cards in this Set

  • Front
  • Back
19+0=
19
19+1=
20
20+0=
20
20+0=
20
12+9=
21
13+8=
21
13+9=
22
14+7=
21
14+8=
22
14+9=
23
15+6=
21
15+7=
22
15+8=
23
15+9=
24
16+5=
21
16+6=
22
16+7=
23
16+8=
24
16+9=
25
17+4=
21
17+5=
22
17+6=
23
17+7=
24
17+7=
24
17+8=
25
17+9=
26
18+3=
21
18+4
22
18+5=
23
18+6=
24
18+7=
25
18+8=
26
18+9=
27
19+2+
21
19+3=
24
19+4=
25
19+5=
24
19+6=
25
19+7=
26
19+9=
28
20+1=
21
20+2=
22
20+3=
23
20+4=
24
20+5=
25
20+6=
26
20+7=
27
20+8=
28
20+9=
29