MATHEMATICS SCHOOL
MATH WORKSHEETS, TESTS, QUIZZES, FLASH CARDS, etc.

# GRADE 1 WORKSHEETS: addition and subtraction (mixed operation)

## Adding and subtraction two numbers up to 20. Problems with answers.

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 1.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 5 - 2 = __ 19 + 0 = __ 9 - 4 = __ 17 + 0 = __ 8 - 0 = __ 13 + 2 = __ 9 - 6 = __ 13 + 0 = __ 6 - 4 = __ 13 + 4 = __ 13 - 0 = __ 13 + 3 = __ 13 - 8 = __ 0 + 0 = __ 10 - 7 = __ 8 + 12 = __ 8 - 1 = __ 19 + 0 = __ 3 - 1 = __ 1 + 7 = __ 5 - 3 = __ 2 + 18 = __ 4 - 0 = __ 6 + 13 = __ 12 - 3 = __ 18 + 0 = __ 20 - 2 = __ 2 + 5 = __ 19 - 14 = __ 9 + 6 = __ 19 - 11 = __ 17 + 3 = __ 16 - 0 = __ 10 + 4 = __ 20 - 13 = __ 17 + 0 = __

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 2.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 7 - 6 = __ 6 + 4 = __ 11 - 2 = __ 12 + 4 = __ 2 - 1 = __ 13 + 1 = __ 12 - 9 = __ 6 + 6 = __ 5 - 5 = __ 4 + 12 = __ 4 - 1 = __ 13 + 6 = __ 17 - 15 = __ 19 + 1 = __ 20 - 18 = __ 10 + 4 = __ 3 - 3 = __ 16 + 0 = __ 9 - 9 = __ 12 + 4 = __ 9 - 3 = __ 5 + 2 = __ 13 - 12 = __ 0 + 16 = __ 3 - 1 = __ 20 + 0 = __ 3 - 3 = __ 1 + 0 = __ 11 - 0 = __ 5 + 4 = __ 11 - 2 = __ 13 + 7 = __ 14 - 3 = __ 0 + 0 = __ 18 - 3 = __ 15 + 0 = __

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 3.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 19 - 9 = __ 12 + 0 = __ 18 - 5 = __ 4 + 0 = __ 0 - 0 = __ 1 + 4 = __ 20 - 7 = __ 16 + 1 = __ 8 - 6 = __ 18 + 1 = __ 15 - 2 = __ 12 + 6 = __ 16 - 14 = __ 7 + 8 = __ 0 - 0 = __ 10 + 8 = __ 0 - 0 = __ 18 + 1 = __ 12 - 6 = __ 11 + 9 = __ 4 - 1 = __ 16 + 2 = __ 1 - 1 = __ 19 + 0 = __ 5 - 4 = __ 10 + 2 = __ 3 - 0 = __ 7 + 1 = __ 11 - 8 = __ 19 + 0 = __ 5 - 1 = __ 5 + 10 = __ 10 - 0 = __ 8 + 11 = __ 18 - 16 = __ 10 + 7 = __

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 4.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 6 - 4 = __ 2 + 3 = __ 9 - 1 = __ 12 + 2 = __ 5 - 3 = __ 7 + 13 = __ 4 - 1 = __ 14 + 1 = __ 12 - 2 = __ 18 + 2 = __ 19 - 4 = __ 14 + 1 = __ 1 - 0 = __ 2 + 7 = __ 15 - 11 = __ 20 + 0 = __ 12 - 6 = __ 11 + 8 = __ 14 - 5 = __ 12 + 5 = __ 3 - 0 = __ 7 + 10 = __ 10 - 1 = __ 15 + 3 = __ 10 - 0 = __ 17 + 1 = __ 10 - 8 = __ 13 + 7 = __ 2 - 0 = __ 19 + 1 = __ 15 - 15 = __ 16 + 2 = __ 4 - 3 = __ 2 + 8 = __ 9 - 7 = __ 15 + 1 = __

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 5.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 1 - 0 = __ 19 + 0 = __ 11 - 2 = __ 9 + 8 = __ 20 - 19 = __ 1 + 4 = __ 19 - 11 = __ 6 + 7 = __ 15 - 14 = __ 14 + 1 = __ 8 - 3 = __ 17 + 3 = __ 13 - 6 = __ 14 + 3 = __ 0 - 0 = __ 4 + 14 = __ 16 - 2 = __ 5 + 15 = __ 2 - 0 = __ 0 + 18 = __ 13 - 0 = __ 14 + 6 = __ 9 - 0 = __ 7 + 2 = __ 7 - 2 = __ 9 + 1 = __ 11 - 3 = __ 5 + 15 = __ 19 - 3 = __ 19 + 1 = __ 15 - 5 = __ 17 + 1 = __ 11 - 10 = __ 16 + 3 = __ 16 - 16 = __ 19 + 1 = __

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION. ANSWERS.

Page 1.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 5 - 2 = 3 19 + 0 = 19 9 - 4 = 5 17 + 0 = 17 8 - 0 = 8 13 + 2 = 15 9 - 6 = 3 13 + 0 = 13 6 - 4 = 2 13 + 4 = 17 13 - 0 = 13 13 + 3 = 16 13 - 8 = 5 0 + 0 = 0 10 - 7 = 3 8 + 12 = 20 8 - 1 = 7 19 + 0 = 19 3 - 1 = 2 1 + 7 = 8 5 - 3 = 2 2 + 18 = 20 4 - 0 = 4 6 + 13 = 19 12 - 3 = 9 18 + 0 = 18 20 - 2 = 18 2 + 5 = 7 19 - 14 = 5 9 + 6 = 15 19 - 11 = 8 17 + 3 = 20 16 - 0 = 16 10 + 4 = 14 20 - 13 = 7 17 + 0 = 17

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 2.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 7 - 6 = 1 6 + 4 = 10 11 - 2 = 9 12 + 4 = 16 2 - 1 = 1 13 + 1 = 14 12 - 9 = 3 6 + 6 = 12 5 - 5 = 0 4 + 12 = 16 4 - 1 = 3 13 + 6 = 19 17 - 15 = 2 19 + 1 = 20 20 - 18 = 2 10 + 4 = 14 3 - 3 = 0 16 + 0 = 16 9 - 9 = 0 12 + 4 = 16 9 - 3 = 6 5 + 2 = 7 13 - 12 = 1 0 + 16 = 16 3 - 1 = 2 20 + 0 = 20 3 - 3 = 0 1 + 0 = 1 11 - 0 = 11 5 + 4 = 9 11 - 2 = 9 13 + 7 = 20 14 - 3 = 11 0 + 0 = 0 18 - 3 = 15 15 + 0 = 15

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 3.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 19 - 9 = 10 12 + 0 = 12 18 - 5 = 13 4 + 0 = 4 0 - 0 = 0 1 + 4 = 5 20 - 7 = 13 16 + 1 = 17 8 - 6 = 2 18 + 1 = 19 15 - 2 = 13 12 + 6 = 18 16 - 14 = 2 7 + 8 = 15 0 - 0 = 0 10 + 8 = 18 0 - 0 = 0 18 + 1 = 19 12 - 6 = 6 11 + 9 = 20 4 - 1 = 3 16 + 2 = 18 1 - 1 = 0 19 + 0 = 19 5 - 4 = 1 10 + 2 = 12 3 - 0 = 3 7 + 1 = 8 11 - 8 = 3 19 + 0 = 19 5 - 1 = 4 5 + 10 = 15 10 - 0 = 10 8 + 11 = 19 18 - 16 = 2 10 + 7 = 17

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 4.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 6 - 4 = 2 2 + 3 = 5 9 - 1 = 8 12 + 2 = 14 5 - 3 = 2 7 + 13 = 20 4 - 1 = 3 14 + 1 = 15 12 - 2 = 10 18 + 2 = 20 19 - 4 = 15 14 + 1 = 15 1 - 0 = 1 2 + 7 = 9 15 - 11 = 4 20 + 0 = 20 12 - 6 = 6 11 + 8 = 19 14 - 5 = 9 12 + 5 = 17 3 - 0 = 3 7 + 10 = 17 10 - 1 = 9 15 + 3 = 18 10 - 0 = 10 17 + 1 = 18 10 - 8 = 2 13 + 7 = 20 2 - 0 = 2 19 + 1 = 20 15 - 15 = 0 16 + 2 = 18 4 - 3 = 1 2 + 8 = 10 9 - 7 = 2 15 + 1 = 16

### GRADE 1 WORKSHEETS. ADDITION and SUBTRACTION.

Page 5.
 Data: _________________ Name: _________________________________ Score:__________ Add or subtract numbers up to 20. 1 - 0 = 1 19 + 0 = 19 11 - 2 = 9 9 + 8 = 17 20 - 19 = 1 1 + 4 = 5 19 - 11 = 8 6 + 7 = 13 15 - 14 = 1 14 + 1 = 15 8 - 3 = 5 17 + 3 = 20 13 - 6 = 7 14 + 3 = 17 0 - 0 = 0 4 + 14 = 18 16 - 2 = 14 5 + 15 = 20 2 - 0 = 2 0 + 18 = 18 13 - 0 = 13 14 + 6 = 20 9 - 0 = 9 7 + 2 = 9 7 - 2 = 5 9 + 1 = 10 11 - 3 = 8 5 + 15 = 20 19 - 3 = 16 19 + 1 = 20 15 - 5 = 10 17 + 1 = 18 11 - 10 = 1 16 + 3 = 19 16 - 16 = 0 19 + 1 = 20

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