Write the number that makes each statement true.

1. \(9 + 7 = \boxed{\phantom{\frac{aaai}{aaai}}}\)
2. \(15 - \boxed{\phantom{\frac{aaai}{aaai}}} = 8\)
3. \(\boxed{\phantom{\frac{aaai}{aaai}}} - 11 = 8\)

Write \(<\) or \(>\) in each box to make each statement true.

1. \(91\phantom{a} \boxed{\phantom{\frac{aaai}{aaai}}} \phantom{a}19 \)
2. \(84\phantom{a} \boxed{\phantom{\frac{aaai}{aaai}}} \phantom{a}87 \)
3. \(52\phantom{a} \boxed{\phantom{\frac{aaai}{aaai}}} \phantom{a}36 \)

1. Write an equation that matches the diagram.

   

2. Find the unknown value.

There are 37 frogs in the pond. There are 16 more goldfish than frogs. How many goldfish are there in the pond?

1. Complete the tape diagram to match the story problem.

   

2. Solve the problem. Explain your reasoning.

1. Label each tick mark with the number it represents.

   

2. Locate 7. Mark it with a point.

Here is Mai’s number line. How should she revise her number line?

1. Count by 10. Start at 50. End at 100. Label each number.

   

2. Locate and label 78.

Locate and label each number pair. Use \(<\) or \(>\) to compare the numbers.

1. 23 and 27

   

2. 28 and 46

   

What number could this be? Explain your reasoning.

1. Locate and label where you think 35 is on the number line. Explain your reasoning.

   

2. Elena and Han mark where they think 83 is.

   

   Why do you think they put their points at different locations?

   Where do you think 83 is on the number line?

   

1. Here is a picture of a thermometer.

   

   How are the thermometer and a number line alike? How are they different?

2. Here is a picture of a rain gauge.

   

   How are the rain gauge and a number line alike? How are they different?