There were 5 monkeys in the tree.
Then 2 more monkeys joined them.
How many monkeys are in the tree now?
Show your thinking using drawings, numbers, or words.
There are some counters in the cup.
Lin puts in 5 more counters.
Now there are 9 counters in the cup.
How many counters were in the cup before Lin added more?
Show your thinking using drawings, numbers, or words.
Problem 10
Exploration
Here are some numbers:
1
2
4
5
7
Can you make 10 using 2 of the numbers?
Show your thinking using drawings, numbers, or words.
Can you make 10 using 3 of the numbers?
Show your thinking using drawings, numbers, or words.
Problem 11
Exploration
Find the number that makes each equation true.
Show your thinking using drawings, numbers, or words.