Add to Check
37
- 24
37
- 24
13
86-27
86-20=66
66-6=60
60-1=59
86-27=59
7 tens 3 ones = _____ ten _____ ones
6 tens 13 ones
34-15=
34
- 15
19
Tyler subtracts 36 from 55 and gets 19. He wants to use addition to check his answer. Write the addition equation that he can use.
19+36=55
72
- 41
72
- 41
31
52-35
52-30=22
22-2=20
20-3=17
52-35=17
9 tens 7 ones = _____ ten _____ ones
8 tens 17 ones
72-38=
72
- 38
34
Steven has 35 pencils. Sarah has 8 fewer pencils than Steven. Write and solve an equation to help you fin how many pencils Sarah has.
35-8=27
92
- 38
92
- 38
5492-46
92-40=52
52-2=50
50-4=46
92-46=46
2 tens 4 ones = _____ ten _____ ones
1 ten 14 ones
47-32=
47
- 32
15
Lily wants to rewrite 43-7. Explain how she should write the numbers so that she can use place value to subtract correctly.
43
- 7
36
Lily sould line up the 7 underneath the 3 in 43 because 43 have 3 ones and 7 is 7 ones so those numbers should be stacked on one another.
DAILY DOUBLE (this is 800 points!!)
Each shape represents a number. What number does each shape represent?
Look at board for problem
53-19
53-10=43
43-3=40
40-6=34
53-19=34
8 tens 6 ones = _____ ten _____ ones
7 tens 16 ones
93-46=
93
- 46
47
Sean is trying to subtract 46-23 . His work is shown, is he correct? Explain your answer.
48
- 32
16
He is incorrect he subtracted 32 from 46 instead of 23. So is answer is incorrect. The answer should be 23.
43
- 19
43
- 19
2483-37
83-30=53
53-3=50
50-4=46
83-37=46
4 tens 4 ones = _____ ten _____ ones
3 tens 14 ones
357-264=
357
-264
93
Miyah has 56 green hair-ties and 38 pink hair ties. How many more green hair-ties than pink hair ties does Miyah have? Show me your work with your answer.
56-38=18