Grade 1 Math: Place Value and Regrouping
This worksheet helps first graders understand place value (tens and ones) and practice regrouping with addition and subtraction.
Includes
Standards
Topics
Place Value and Regrouping
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show your work when needed.
1. The number 35 has tens and ones.
2. The number 19 has ten and ones.
3. Write the number that has 2 tens and 7 ones:
4. Write the number that has 4 tens and 0 ones:
5. What is the value of the underlined digit in 42?
4
2
40
20
6. Which number is the same as 1 ten and 6 ones?
61
16
10
6
7. Add 17 + 5. Show your work.
8. Add 28 + 6. Show your work.
9. Subtract 23 - 4. Show your work.
10. Subtract 31 - 7. Show your work.
11. When you have 10 ones, you can regroup them as 1 ten.
True
False
Related Worksheets
Plotting Numbers on a Number Line
Practice plotting single-digit numbers on a number line for Grade 1 math students.
Numbers in Word Form
A first-grade math worksheet focused on writing numbers in word form.
Counting by Ones Worksheet
Practice counting by ones with numbers up to 20, including number lines and fill-in-the-blanks.
Counting Objects Worksheet
A Grade 1 math worksheet focused on counting various objects to build number sense.
Ten More, Ten Less
Practice identifying numbers that are ten more or ten less than a given number, using number lines and mental math strategies.
Partner Numbers to 10
A Grade 1 math worksheet focusing on finding partner numbers that add up to a given sum, primarily targeting sums up to 10.
Writing Three-Digit Numbers
Practice writing three-digit numbers in standard form, word form, and expanded form for first graders.
Writing Numbers in Words (Grade 1)
Practice writing numbers from one to twenty in word form for first graders.