A Story of Units – TEKS Edition

Write the missing number: 10 + 3 = ___.

• 13

• 12

• 14

• 15

Write the missing number: 10 + 2 = ___.

• 12

• 14

• 15

• 16

Write the missing number: 10 + 1 = ___.

• 11

• 12

• 13

• 14

Write the missing number: 1 + 10 = ___.

• 11

• 10

• 12

• 9

Write the missing number: 4 + 10 = ___.

• 14

• 12

• 15

• 13

Write the missing number: 6 + 10 = ___.

• 16

• 15

• 17

• 18

Write the missing number: 10 + 7 = ___.

• 17

• 15

• 18

• 16

Write the missing number: 8 + 10 = ___.

• 18

• 20

• 15

• 17

Write the missing number: 12 - 10 = ___

• 2

• 1

• 3

• 4

Write the missing number: 11 - 10 = ___.

• 1

• 2

• 3

• 0