Mason has 100 counters in ten frames. He knows that 10 tens is 100.
Think about how else we can make 100.
Fill in the blank: He colored 4 groups of tens and 4 ones blue. He colored 5 groups of tens and ones pink.
Find the missing number.
Daniel is looking for ways to make 100.
What number is missing?
Work out the new missing number to find another way to make 100.
What is the missing number?