Word Problems
Megan is having a party for 15 of her friends. She already invited some friends. She has 11 more invitations to send. How many friends has she already invited?
15=4+11
____, 15, ____, 17, ____
14, 15, 16, 17
2 tens ___25 ones
20 = 20
10 more than 39 is .
49
Use quick tens and ones
50 - 30 =
20
Marie bought 12 red balloons and 9 white balloons. How many balloons did she buy?
12+9=21
36, 35, ____, ____, ____, 31
36, 35, 34, 33, 32, 31
34____ 2 tens 12 ones
34 > 32
10 less than 40 is .
30
Number bond strategy
14+11=
25
Maria had 16 friends at her party. Some of them went outside to see the piñata. There were 5 friends remaining in the room. How many friends went outside?
16-5=11
____, 25, ____, 27, ____
24, 25, 26, 27, 28
2 tens 15 ones___ 2 tens 4 ones
35 > 24
1 more than 26 is .
27
Use quick tens and ones
50+8=
58
Mike says that 44 is the same as 3 tens and 14 ones. Suki says that 44 is the same as 44 ones. Are they correct? Explain your thinking.
Yes, they are correct.
7, 6, ____, ____, ____, 1
7,6,5,4,3,2,1
37___ 2 ten 25 ones
37 < 45
1 less than 40 is .
39
Number bond strategy
26+18=
44
Matthew says that 24 is the same as 1 tens and 14 ones. Sarah says that 14 is the same as 14 ones. Are they correct? Explain your thinking.
Yes, they are correct.
____, 31, ____, 33, ____
30, 31, 32, 33, 34
6___ 1 ten 14 ones
6 < 24
10 more than 32 is.
42
Use quick tens and ones
24+5=
29