Student Handouts
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Unit 4, Section D
Different Ways to Make a Number
Grade 1
Practice
Problem 1
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Circle 2 pictures that show 46.
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Show a different way to make 46.
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Show 4 different ways you can make 35 using tens and ones.
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Fill in each blank with \(<\), \(>\), or \(=\) to make the equation true.
- \(70 + 12 \,\underline{\hspace{1cm}}\, 79\)
- \(30 + 15 \,\underline{\hspace{1cm}}\, 20 + 25\)
- \(40 + 3 \, \underline{\hspace{1cm}}\, 35\)
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Problem 4
Exploration
Andre said he is thinking of a 2-digit number.
He makes the number from tens and ones in 8 different ways.
In one way, there is 1 more ten than there are ones.
What is Andre's number?
Show your thinking using drawings, numbers, or words.
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Problem 5
Exploration
Fill in the blanks so that all 3 descriptions show the same number.
- 7 tens + \(\underline{\hspace{1cm}}\) ones
- 2 tens + \(\underline{\hspace{1cm}}\) ones
- \(\underline{\hspace{1cm}}\) tens + 35 ones
Show your thinking using drawings, numbers, or words.
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Problem 6
Exploration
Incomplete Number Riddles
Choose digits from the list to put in the blanks in the riddles.
3
6
5
4
2
1
Then solve the riddles.
You can use cubes or other math tools to help you.
- I have \(\underline{\hspace{.35in}}\) tens and \(\underline{\hspace{.35in}}\) ones. What number am I?
- I have \(\underline{\hspace{.35in}}\) tens and \(\underline{\hspace{.35in}}\) ones. What number am I?
- I have \(\underline{\hspace{.35in}}\) tens and 18 ones. What number am I?
- I have \(\underline{\hspace{.35in}}\) tens and 25 ones. What number am I?
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