Solve
60-20=40
Solve the word problem
50+30=80
solve
33+10=43
Solve
94-10=84
How many tens and ones are there in the model?
What is the total number?
2 tens 9 ones
20+9=29
solve
50
Solve the word problem
40-30=10
How many tens and how many ones are there in this picture?
What is the total number.
7 tens 8 ones
70 + 8 = 78
Compare the two numbers using the terms "greater than" or "less than"
32 < 33
compare the two numbers using the terms "greater than" or "less than"
45 < 46
solve
30
How many tens and ones does the model show?
What is the total number?
7 tens 8 ones
70+8=78