87
Which number is in the ones place?
7
10+12= __
22
37+58=__
95
54
How many tens are in this number?
5 tens
36+22=__
58
Explain why the answer is wrong.
26+38=514
20+30=50
6+8=14
14+50= 514
26+38=64
20+30=50
6+8=14
14+50= 64
45
What is the value of the tens place?
40
Write a number line for this equation:
35 + 24 =
(number line)
Explain why the answer is wrong:
26+48=75
26+48=74
20+40=60
6+8=14
60+14=74
49
Li said there are 40 tens in 49.
Do you agree or disagree? Explain.
There are 4 tens in 49.
In the number 49, the value of the digit 4 is 40.
You have a penny, nickel, dime, and quarter in your pocket. How much do you have altogether?
41 cents
Hannah walked 29 meters to the store from her home. She walked back home the same way. How far did she walk in all?
29+29=58
20+20=40
9+9=18
40+18=58