Grade 1 Math Subtraction 2 Digit No Regrouping — Set 1
2.5 - 2.4 = ?
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Answer: 0.1
GCF(16, 16) = ?
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Answer: 8
2/8 + 7/8 = ?
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Answer: 9/8
2/8 - 2/8 = ?
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Answer: 0/8
1/7 + 6/7 = ?
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Answer: 7/7
75% of 72 = ?
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Answer: 54
2 × x = 4, x = ?
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Answer: 2
2/7 + 4/7 = ?
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Answer: 6/7
1 + 5^2 = ?
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Answer: 26
7^3 = ?
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Answer: 343
10% of 80 = ?
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Answer: 8
6.4 + 0.6 = ?
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Answer: 7.0
2 + 5^2 = ?
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Answer: 27
68 × 7 = ?
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Answer: 476
6 + 5 × 5 = ?
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Answer: 31
6 + 4 × 4 = ?
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Answer: 22
3.7 - 0.6 = ?
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Answer: 3.1
x + 3 = 23, x = ?
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Answer: 20
465 ÷ 5 = ?
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Answer: 93
GCF(4, 4) = ?
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Answer: 2
Teaching Notes
Strengthen first grade math skills with our free printable worksheets. Topics include addition and subtraction within 20, two-digit problems without regrouping, missing addends, three-addend sums, working with tens, and fact families.
What math topics are covered in grade 1 worksheets?
Grade 1 worksheets cover addition and subtraction within 20, two-digit addition and subtraction without regrouping, three-addend problems, missing addend equations, adding and subtracting tens, and fact families to build number sense.
How do I use these first grade math worksheets effectively?
Start with addition and subtraction within 20 to reinforce counting skills. Then introduce two-digit problems without regrouping. Use fact family sheets to show the relationship between addition and subtraction. Print fresh copies for repeated practice.
Are these worksheets aligned with first grade math standards?
Yes. The topics match Common Core standards for grade 1, including operations and algebraic thinking (OA), number and operations in base ten (NBT), and understanding the relationship between addition and subtraction.
How many grade 1 math worksheets are available?
We offer 9 categories of first grade math worksheets, each with multiple printable variations. Categories include addition within 20, subtraction within 20, two-digit operations, missing addends, three-addend sums, tens, and fact families.
What is the difference between regrouping and no-regrouping worksheets?
No-regrouping worksheets keep each column sum below 10, so students never carry. Regrouping worksheets require carrying a digit to the next column. Grade 1 starts with no-regrouping; regrouping is introduced in grade 2.