Unit 2
Name the equal addends for the sum, 12.
6 + 6
What is the missing addend in ____ - 7 = 14?
21
What does 11:45 look like on the clock?
11:45 is drawn or stated correctly.
____ = 100 - 10
90
Represent 583 using Base-10 Blocks.
Base-10 Blocks are drawn correctly.
Name 3 combination of 10 addition sentences.
Answers may vary
I want to solve 8 + 5. What is the making-10 number model to help me solve this?
8 + 2 = 10 (+ 3 = 13)
How many total hours are in a day?
24
Draw 66 cents two ways. However, one of them has to be using the fewest coins possible.
Other answers may vary
Write 9745 in expanded notation.
9000 + 700 + 40 + 5
Does the turn-around rule work for subtraction?
No
There are three numbers: 250, 950 and 700. What is the sum in this fact family? What are the two parts?
Sum: 950
Parts: 250 and 900
What is the abbreviation for morning?
AM
The temperature was 30 degrees in the morning. It was 55 degrees in the afternoon. How much did the temperature change? Use a change diagram.
Diagram is drawn correctly with correct answer.
True or False: Most countries use standard units of measure.
Use the near doubles fact strategy to solve 72+70. Write the number models.
70 + 70 = 140
140 + 2 = 142
142
What is a fact family?
What is a group of related numbers where you can make four number models or sentences
Avery had gymnastic practice at 4:30 PM. It was 11:30 AM. How much time is left until her practice starts?
4 hours
Use an open number line to help you solve the story.
Mr. Daniels had 132 pencils to give to his students. His students used 80 of them. How many pencils does he have now?
52
How many groups of 10 is in 500?
50
What is the "unit" in this number story?
There were 6 ice cream unicorns at Shady Grove Elementary School. 5 left to go to the end of the rainbow. How many are left?
Ice cream unicorns
Name the four number models for the fact family 95, 233, and 138.
95 + 138 = 233
138 + 95 = 233
233 - 138 = 95
233 - 95 = 138
Write 734 in expanded notation.
700 + 30 + 4
Carlos buys a hamburger for 65¢ and gives the clerk $1. The clerk gives him a quarter for change. Carlos says the amount of change is correct. Do you agree with Carlos? Explain your answer.
Explanation is correct.
Count by 25s chorally and stop at 500.
The group correctly counts by 25s chorally.