| Graphs | Single Step Story Problems | Two Step Story Problems | Ballpark Estimates | Partial Sums + Base-10 Blocks |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
How many people have a pet cat?
How many people have a pet cat?
11 people
How many people have a pet rabbit?
How many people have a pet rabbit?
4 people
Which is the least popular pet to have?
Which is the least popular pet to have?
Rabbit
How many total people had either a rabbit or a hamster?
How many total people had either a rabbit or a hamster?
4 + 5 = 9 people total
Which animal was the MOST popular pet?
Which animal was the MOST popular pet?
Cat
Fish J is 25 inches long.
Fish K is 10 inches long.
How much longer is fish J than fish K?
You need a NUMBER MODEL, ANSWER, and UNIT!
Fish J is 25 inches long.
Fish K is 10 inches long.
How much longer is fish J than fish K?
You need a NUMBER MODEL, ANSWER, and UNIT!
25 - 10 = 15
Fish J is 15 inches longer
I bought 27 lollipops. I ate 22. How many lollipops do I have left?
You need a NUMBER MODEL, ANSWER, and UNIT
I bought 27 lollipops. I ate 22. How many lollipops do I have left?
You need a NUMBER MODEL, ANSWER, and UNIT
27-22=5
5 lollipops
I had 10 pieces of pizza. I ate 3 pieces. How many do I have left?
NUMBER MODEL, ANSWER, UNIT
I had 10 pieces of pizza. I ate 3 pieces. How many do I have left?
NUMBER MODEL, ANSWER, UNIT
10 - 3 = 7
7 pieces of pizza are left
My dog is 3 feet tall when she is standing up. Her legs are 1 foot long. How tall is she when she is sitting down?
NUMBER MODEL, ANSWER, UNIT
My dog is 3 feet tall when she is standing up. Her legs are 1 foot long. How tall is she when she is sitting down?
NUMBER MODEL, ANSWER, UNIT
3 - 1 = 2
2 feet tall when sitting down
Caleb's string is 35 inches long.
Jenny's string is 25 inches long.
Whose is longer?
How much longer?
ANSWER, NUMBER MODEL, ANSWER, UNIT
Caleb's string is 35 inches long.
Jenny's string is 25 inches long.
Whose is longer?
How much longer?
ANSWER, NUMBER MODEL, ANSWER, UNIT
Caleb's is longer.
35-25 = 10
10 inches longer
Miss Sinnott has 8 skittles.
Mrs. Gariepy gives her 7 more.
Then, Miss Sinnott eats 5 skittles.
How many skittles does she have now?
NUMBER MODEL, ANSWER, UNIT
Miss Sinnott has 8 skittles.
Mrs. Gariepy gives her 7 more.
Then, Miss Sinnott eats 5 skittles.
How many skittles does she have now?
NUMBER MODEL, ANSWER, UNIT
8+7-5 = 10
OR
8+7 = 15
15-5 = 10
10 skittles
Jessica has 40 candies.
Sally gives her 10 more.
Jessica gives 5 to Sarah.
How many does Jessica have now?
NUMBER MODEL, ANSWER, UNIT
Jessica has 40 candies.
Sally gives her 10 more.
Jessica gives 5 to Sarah.
How many does Jessica have now?
NUMBER MODEL, ANSWER, UNIT
40 + 10 - 5 = 45
OR
40 + 10 = 50
50 - 5 = 45
45 candies
Mrs. McGregor has 10 dogs.
Mrs. Sageman gives her 5 dogs.
2 of Mrs. McGregors dogs ran away.
How many dogs does she have now?
NUMBER MODEL, ANSWER, UNIT
Mrs. McGregor has 10 dogs.
Mrs. Sageman gives her 5 dogs.
2 of Mrs. McGregors dogs ran away.
How many dogs does she have now?
NUMBER MODEL, ANSWER, UNIT
10 + 5 - 2 = 13
OR
10 + 5 = 15
15 - 2 = 13
13 dogs
Mrs. Reeves has 15 flowers.
Mrs. Shanahan gives her 5 more.
Then, Mrs. Reeves gives 7 flowers to Mrs. Smith.
How many flowers does Mrs. Reeves have now?
NUMBER MODEL, ANSWER, UNIT
Mrs. Reeves has 15 flowers.
Mrs. Shanahan gives her 5 more.
Then, Mrs. Reeves gives 7 flowers to Mrs. Smith.
How many flowers does Mrs. Reeves have now?
NUMBER MODEL, ANSWER, UNIT
15 + 5 - 7 = 13
OR
15 + 5 = 20
20 - 7 = 13
13 flowers
Griffin ate 5 chocolate bars.
Then, Griffin ate 7 gummy bears.
Finally, Griffin ate 3 lollipops.
How much candy did Griffin eat altogether?
NUMBER MODEL, ANSWER, UNIT
Griffin ate 5 chocolate bars.
Then, Griffin ate 7 gummy bears.
Finally, Griffin ate 3 lollipops.
How much candy did Griffin eat altogether?
NUMBER MODEL, ANSWER, UNIT
5 + 7 + 3 = 15
OR
5 + 7 = 12
12 + 3 = 15
15 candies
Find the ballpark estimate. Write the number model.
27 + 52 = ?
Find the ballpark estimate. Write the number model.
27 + 52 = ?
30 + 50 = 80
Find the ballpark estimate. Write the number model.
56 + 75 = ?
Find the ballpark estimate. Write the number model.
56 + 75 = ?
60 + 80 = 140
Find the ballpark estimate. Write a number model.
133 + 28 = ?
Find the ballpark estimate. Write a number model.
133 + 28 = ?
130 + 30 = 160
Find the ballpark estimate. Write a number model.
145 + 132 = ?
Find the ballpark estimate. Write a number model.
145 + 132 = ?
150 + 130 = 280
Find the ballpark estimate. Write a number model.
167 + 212 = ?
Find the ballpark estimate. Write a number model.
167 + 212 = ?
170 + 210 = 380
How much do I have altogether? Draw the base ten blocks for BOTH numbers and then tell me your TOTAL.
56 + 23 = ?
How much do I have altogether? Draw the base ten blocks for BOTH numbers and then tell me your TOTAL.
56 + 23 = ?
Total = 79
(teacher will check for correct drawing)
How much do I have altogether? Draw the base ten blocks for BOTH numbers and then tell me your TOTAL.
35 + 41 = ?
How much do I have altogether? Draw the base ten blocks for BOTH numbers and then tell me your TOTAL.
35 + 41 = ?
Answer = 76
Teacher will check to make sure drawing is correct.
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
54 + 25 = ?
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
54 + 25 = ?
4 + 5 = 9
50 + 20 = 70
70 + 9 = 79
Answer = 79
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
29 + 43 = ?
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
29 + 43 = ?
9 + 3 = 12
20 + 40 = 60
60 + 12 = 72
Answer = 72
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
78 + 45 = ?
Solve using partial sums. Remember, partial sums = ADD THE TENS, ADD THE ONES, STICK THEM TOGETHER for your TOTAL
78 + 45 = ?
8 + 5 = 13
70 + 40 = 110
110 + 13 = 123
Answer = 123
Solve this addition problem.
Do ALL of the following:
1) Find a ballpark estimate.
2) Draw how many BASE 10 blocks each would need.
3) THEN show how to solve the problem using partial sums.
4) Write the REAL answer.
Good luck!
125 + 162 = ?
Solve this addition problem.
Do ALL of the following:
1) Find a ballpark estimate.
2) Draw how many BASE 10 blocks each would need.
3) THEN show how to solve the problem using partial sums.
4) Write the REAL answer.
Good luck!
125 + 162 = ?
1) Ballpark = 130 + 160 = 290
2) Teacher will check your base ten block drawing. :)
3) Partial Sums = 5 + 2 = 7, 20 + 60 = 80, 100 + 100 = 200
4) 200 + 80 + 7 = 287
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