Ice Cave

The Ice Cave is an activity in JumpStart 2nd Grade. In this activity, the bugs use ice cubes with addition, subtraction, and multiplication from 0 to 9. When the bugs are frozen in the sixteen-unit grid, the ground opens and the ice cubes fall in with a map.

0

 * 0+0=0
 * 0+1=1
 * 0+2=2
 * 0+3=3
 * 0+4=4
 * 0+5=5
 * 0+6=6
 * 0+7=7
 * 0+8=8
 * 0+9=9

1

 * 1+0=1
 * 1+1=2
 * 1+2=3
 * 1+3=4
 * 1+4=5
 * 1+5=6
 * 1+6=7
 * 1+7=8
 * 1+8=9
 * 1+9=10

2

 * 2+0=2
 * 2+1=3
 * 2+2=4
 * 2+3=5
 * 2+4=6
 * 2+5=7
 * 2+6=8
 * 2+7=9
 * 2+8=10
 * 2+9=11

3

 * 3+0=3
 * 3+1=4
 * 3+2=5
 * 3+3=6
 * 3+4=7
 * 3+5=8
 * 3+6=9
 * 3+7=10
 * 3+8=11
 * 3+9=12

4

 * 4+0=4
 * 4+1=5
 * 4+2=6
 * 4+3=7
 * 4+4=8
 * 4+5=9
 * 4+6=10
 * 4+7=11
 * 4+8=12
 * 4+9=13

5

 * 5+0=5
 * 5+1=6
 * 5+2=7
 * 5+3=8
 * 5+4=9
 * 5+5=10
 * 5+6=11
 * 5+7=12
 * 5+8=13
 * 5+9=14

6

 * 6+0=6
 * 6+1=7
 * 6+2=8
 * 6+3=9
 * 6+4=10
 * 6+5=11
 * 6+6=12
 * 6+7=13
 * 6+8=14
 * 6+9=15

7

 * 7+0=7
 * 7+1=8
 * 7+2=9
 * 7+3=10
 * 7+4=11
 * 7+5=12
 * 7+6=13
 * 7+7=14
 * 7+8=15
 * 7+9=16

8

 * 8+0=8
 * 8+1=9
 * 8+2=10
 * 8+3=11
 * 8+4=12
 * 8+5=13
 * 8+6=14
 * 8+7=15
 * 8+8=16
 * 8+9=17

9

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

0

 * 0-0=0

1

 * 1-0=1
 * 1-1=0

2

 * 2-0=2
 * 2-1=1
 * 2-2=0

3

 * 3-0=3
 * 3-1=2
 * 3-2=1
 * 3-3=0

4

 * 4-0=4
 * 4-1=3
 * 4-2=2
 * 4-3=1
 * 4-4=0

5

 * 5-0=5
 * 5-1=4
 * 5-2=3
 * 5-3=2
 * 5-4=1
 * 5-5=0

6

 * 6-0=6
 * 6-1=5
 * 6-2=4
 * 6-3=3
 * 6-4=2
 * 6-5=1
 * 6-6=0

7

 * 7-0=7
 * 7-1=6
 * 7-2=5
 * 7-3=4
 * 7-4=3
 * 7-5=2
 * 7-6=1
 * 7-7=0

8

 * 8-0=8
 * 8-1=7
 * 8-2=6
 * 8-3=5
 * 8-4=4
 * 8-5=3
 * 8-6=2
 * 8-7=1
 * 8-8=0

9

 * 9-0=9
 * 9-1=8
 * 9-2=7
 * 9-3=6
 * 9-4=5
 * 9-5=4
 * 9-6=3
 * 9-7=2
 * 9-8=1
 * 9-9=0

0

 * 0x0=0
 * 0x1=0
 * 0x2=0
 * 0x3=0
 * 0x4=0
 * 0x5=0
 * 0x6=0
 * 0x7=0
 * 0x8=0
 * 0x9=0

1

 * 1x0=0
 * 1x1=1
 * 1x2=2
 * 1x3=3
 * 1x4=4
 * 1x5=5
 * 1x6=6
 * 1x7=7
 * 1x8=8
 * 1x9=9

2

 * 2x0=0
 * 2x1=2
 * 2x2=4
 * 2x3=6
 * 2x4=8
 * 2x5=10
 * 2x6=12
 * 2x7=14
 * 2x8=16
 * 2x9=18

3

 * 3x0=0
 * 3x1=3
 * 3x2=6
 * 3x3=9
 * 3x4=12
 * 3x5=15
 * 3x6=18
 * 3x7=21
 * 3x8=24
 * 3x9=27

4

 * 4x0=0
 * 4x1=4
 * 4x2=8
 * 4x3=12
 * 4x4=16
 * 4x5=20
 * 4x6=24
 * 4x7=28
 * 4x8=32
 * 4x9=36

5

 * 5x0=0
 * 5x1=5
 * 5x2=10
 * 5x3=15
 * 5x4=20
 * 5x5=25
 * 5x6=30
 * 5x7=35
 * 5x8=40
 * 5x9=45

6

 * 6x0=0
 * 6x1=6
 * 6x2=12
 * 6x3=18
 * 6x4=24
 * 6x5=30
 * 6x6=36
 * 6x7=42
 * 6x8=48
 * 6x9=54

7

 * 7x0=0
 * 7x1=7
 * 7x2=14
 * 7x3=21
 * 7x4=28
 * 7x5=35
 * 7x6=42
 * 7x7=49
 * 7x8=56
 * 7x9=63

8

 * 8x0=0
 * 8x1=8
 * 8x2=16
 * 8x3=24
 * 8x4=32
 * 8x5=40
 * 8x6=48
 * 8x7=56
 * 8x8=64
 * 8x9=72

9

 * 9x0=0
 * 9x1=9
 * 9x2=18
 * 9x3=27
 * 9x4=36
 * 9x5=45
 * 9x6=54
 * 9x7=63
 * 9x8=72
 * 9x9=81

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