Fill in each blank with , , or to make the equation true.
Problem 4
Exploration
Student Task Statement
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.
to access Practice Problem Solutions.
Problem 5
Exploration
Student Task Statement
Fill in the blanks so that all 3 descriptions show the same number.
7 tens + ones
2 tens + ones
tens + 35 ones
Is there more than 1 way you can fill in the blanks?
Show your thinking using drawings, numbers, or words.
Problem 6
Exploration
Student Task Statement
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.