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Tens and Ones - Worksheet 8 - 1st Grade

Hard

Identify the tens and ones place in two-digit numbers (Hard)

23 problems · 10-15 minutes · Skills: place value, number sense

About This Worksheet

This hard-level worksheet contains 23 problems designed for 1st Grade students practicing tens and ones. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Place value is the backbone of our number system. Understanding tens and ones makes addition, subtraction, and working with larger numbers much easier.

How to Solve: Worked Example

Example Problem: Write 73 in expanded form: ___ + ___
Solution Steps:
  1. Break the number into its place values.
  2. 7 tens = 70.
  3. 3 ones = 3.
  4. 73 = 70 + 3.
Answer: 70 + 3
Tip: Expanded form shows the value of each digit. The tens digit times 10 gives the tens value.
1
In 89, what digit is in the tens place? What digit is in the ones place?
2
Write 95 in expanded form: ___ + ___
3
In 74, what digit is in the tens place? What digit is in the ones place?
4
In 71, what digit is in the tens place? What digit is in the ones place?
5
In 51, what digit is in the tens place? What digit is in the ones place?
6
Write 90 in expanded form: ___ + ___
7
In 89, what digit is in the tens place? What digit is in the ones place?
8
In 82, what digit is in the tens place? What digit is in the ones place?
9
Write 58 in expanded form: ___ + ___
10
What number has 8 tens and 9 ones?
11
Write 61 in expanded form: ___ + ___
12
Write 41 in expanded form: ___ + ___
13
In 75, what digit is in the tens place? What digit is in the ones place?
14
In 69, what digit is in the tens place? What digit is in the ones place?
15
In 72, what digit is in the tens place? What digit is in the ones place?
16
In 64, what digit is in the tens place? What digit is in the ones place?
17
What number has 8 tens and 5 ones?
18
What number has 9 tens and 9 ones?
19
What number has 6 tens and 5 ones?
20
In 52, what digit is in the tens place? What digit is in the ones place?
21
Write 93 in expanded form: ___ + ___
22
In 68, what digit is in the tens place? What digit is in the ones place?
23
In 66, what digit is in the tens place? What digit is in the ones place?

Answer Key

1. tens: 8, ones: 92. 90 + 53. tens: 7, ones: 44. tens: 7, ones: 15. tens: 5, ones: 16. 90 + 07. tens: 8, ones: 98. tens: 8, ones: 29. 50 + 810. 8911. 60 + 112. 40 + 113. tens: 7, ones: 514. tens: 6, ones: 915. tens: 7, ones: 216. tens: 6, ones: 417. 8518. 9919. 6520. tens: 5, ones: 221. 90 + 322. tens: 6, ones: 823. tens: 6, ones: 6

Frequently Asked Questions

How do I download this tens and ones - worksheet 8 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

How many problems are on this worksheet?

This worksheet contains 23 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.