The girls collected 57 bottle caps. The boys collected 48 bottle caps. How many bottle caps did they collect in all.
105 bottle caps
Complete the fact family.
8 + 11 = 19
__ + ___ = ___
__ - ___ = ___
__ - ___ = ___
8 + 11 = 19
11 + 8 = 19
19 - 11 = 8
19 - 8 = 11
Using base ten blocks find 26 - 9
17
81 - 39 =
42
40 treats.
Sebastian has played in 29 baseball games. There are 42 in all. How many games does he have left?
13 games
Sophia wrote this fact family. Tell why Sophia is wrong. Make it right.
76 + 12 = 88
12 + 76 = 88
76 - 12 = 88
12 - 76 = 88
Sophia is wrong because she did not subtract the right numbers; 88- 76 = 12 and 88 - 12 = 76.
Do you need to regroup when subtracting 34 - 7? Explain how you know.
Yes, you do need to regroup when solving 34 - 7. There are not enough ones in 34 to subtract 7 ones. You have to go next door and borrow 10 from the 30. The 30 becomes 20 and the 7 becomes 17.
*****DOUBLE JEOPARDY*****
72 - 13 =
59
89 - 18 = 71
71 - 14 = 57
57 blocks are still on the tower.
Tobin has a pool pass for 45 trips to the pool. He has gone to the pool 28 times. How many more times can Jason go to the pool with his pass?
17 times
Giavanna has 12 necklaces without beads. She also has 22 necklaces that have beads on them. How many necklaces does Lizzie have? Write the fact family that can be made from these numbers.
34 necklaces.
22 + 12 = 34
12 + 22 = 34
34 - 12 = 22
34 - 22 = 12
Find 76 - 8
68
62 - 38 =
*GIVE YOUR ANSWER AND CHECK YOUR WORK CORRECTLY FOR FULL POINTS*
62 - 38 = 24
Check: 38 + 24 = 62
There are 91 children. 32 children play baseball. 21 children play soccer. How many children do not play baseball or soccer? Explain how you got your answer.
32 + 21 is 53. 53 children play baseball and soccer. Subtract 53 from 91 to find out how many children do not play either sport. 91 - 53 is 38
Elisha kept track of the weather for 73 days. It was sunny for 59 days. How many days were not sunny?
14 days were not sunny.
Which number sentence does not belong in the fact family for the numbers 7, 18, and 25?
18 + 7 = 25
18 - 25 = 7
7 + 18 = 25
25 - 7 = 18
28
- 9
____________
19
Explain using words how to check a subtraction problem. (use math terms such as "difference" and "sum" in your answer for full credit)
Add the difference from the subtraction problem to the number you subtract. The sum should equal the number you subtracted from.
There are 23 boys and 33 girls at the beach. 7 boys and 4 girls leave the beach, how many boys and girls are left all together. Explain how you got your answer.
There will be 45 left all together. You add 23 and 33 for a total of 56 at the beach. You subtract the 11 that leave the beach and that leaves 45 at the beach.
The second grade classes are playing jeopardy. Mrs. Mikula's class scored 81 points. Miss Gargiulo's class scored 66 points. How many more points did Mrs. Mikula's class earn than Miss Gargiulo's?
15 points
There are 32 second graders. 15 of them are in Miss Gargiulo's class. How many students are in Mrs. Mikula's class? Complete the fact family for full points.
There are 17 second graders in Mrs. Mikula's class.
32 - 15 = 17
32 - 17 = 15
17 + 15 = 32
15 + 17 = 32
Using base ten blocks to model your answer, find 41 - 23
18
90 - 13 =
*solve vertically AND using base ten blocks to receive full amount of points*
77
Luciana's mom cut 32 apple slices for her 2 friends and her to share. Luciana ate 5 slices. Her friends ate a total of 18 slices. How many apple slices were left?
18 + 5 = 23
32 - 23 = 9
There are 9 apple slices left.