Grade 1 Math · Place Value: Tens and Ones
Build two-digit number understanding with five 10-question practice tests covering tens, ones, expanded form, comparison, and real-world examples.
These Grade 1 math practice tests help students understand two-digit numbers by identifying tens and ones, building numbers, writing expanded form, comparing values, and solving simple place value problems. Each mini test contains 10 multiple-choice questions with answers and explanations.
Complete one 10-question test at a time. Use base-ten blocks, drawings, or bundles of ten to model each number. Open the solution after answering, then explain how the tens and ones show the value of the number.
For more Grade 1 math practice, return to the Grade 1 Math category.
3. Test
A 10-question Grade 1 practice test on tens, ones, expanded form, and two-digit place value.
Choose one answer for each question. Open the solution after answering to see the correct answer and explanation.
Please select an answer first.
Correct answer: A
The correct answer is 30 + 4.
34 has 3 tens and 4 ones, so its expanded form is 30 + 4.
Please select an answer first.
Correct answer: B
The correct answer is 50 + 8.
58 is 5 tens and 8 ones, or 50 + 8.
Please select an answer first.
Correct answer: C
The correct answer is 47.
40 is 4 tens and 7 is 7 ones, making 47.
Please select an answer first.
Correct answer: D
The correct answer is 26.
20 and 6 combine to make 26.
Please select an answer first.
Correct answer: A
The correct answer is 70 + 2.
72 has 7 tens and 2 ones, so it is 70 + 2.
Please select an answer first.
Correct answer: B
The correct answer is 10 + 9.
19 has 1 ten and 9 ones, so it is 10 + 9.
Please select an answer first.
Correct answer: C
The correct answer is 65.
60 and 5 make 65.
Please select an answer first.
Correct answer: D
The correct answer is 84.
80 and 4 make 84.
Please select an answer first.
Correct answer: A
The correct answer is 90 + 1.
91 has 9 tens and 1 one, or 90 + 1.
Please select an answer first.
Correct answer: B
The correct answer is 78.
70 and 8 combine to make 78.
Tens are groups of ten objects, and ones are single objects. In 42, the 4 represents 4 tens and the 2 represents 2 ones.
Each mini test contains 10 multiple-choice questions. The complete page includes five mini tests and 50 questions in total.
A digit has a different value depending on its place. In 24, the 2 means 2 tens, while the 4 means 4 ones.
