Place Value to 100: Comparing and Ordering

Free sample questions, a clear explanation, and 5 practice skills with an AI tutor that guides without giving the answer away.

Sample questions

1. Imagine two groups of base-ten blocks. Group A has 3 tens and 5 ones. Group B has 2 tens and 8 ones. Which group has more blocks?

○ Group B

✓ Group A

○ They have the same number

○ I don't know

Answer: Group A — Count the tens first. The group with more tens usually has more blocks.

2. Look at these two numbers made with tens and ones blocks. The first number has 4 tens and 2 ones. The second number has 4 tens and 7 ones. Which number is smaller?

○ 47

○ They are the same

✓ 42

○ I can't tell

Answer: 42 — If the tens are the same, look at the ones to find the smaller number.

3. Imagine a picture showing 5 bundles of ten sticks and 3 single sticks. Another picture shows 4 bundles of ten sticks and 9 single sticks. Which statement is true?

✓ 53 is greater than 49

○ 49 is greater than 53

○ 53 is smaller than 49

○ 53 and 49 are the same

Answer: 53 is greater than 49 — Compare the number of tens first. More tens means a greater number.

Skills in this topic

Compare two two-digit numbers using concrete objects and pictorial representations.
Use the symbols >, <, and = to compare two-digit numbers.
Order three or more two-digit numbers from least to greatest and greatest to least.
Identify numbers that are 10 more or 10 less than a given two-digit number.
Justify the comparison of two numbers by explaining their place value components (tens and ones).

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