Weston picked 32 apples. Zayda picked 22. How many apples did they pick in all?
32 + 22 = 54
20 + 40 = _____
____ tens
20 + 40 = 60
6 tens
Make a ten:
17 + 14 = _____
*Draw to show your work
17 + 14 can be changed to 20 +11 by making a ten.
20 + 11 = 31
so
17 + 14 = 31
33 + 40 = 73
73 - ___ = 33
73 - 40 = 33
17 + 15 =
32
Mia has 18 pencils. Graham has 14 more pencils than Mia. How many pencils does Graham have?
18 + 14 = 32
70 + 20 ____
____ tens
70 + 20 = 90
9 tens
Add using place value (tens and ones).
32 + 35 = _____
____ tens + ___ ones
32 + 35 = 67
6 tens + 7 ones
30 + 10 = ____
40 - 10 = _____
30 + 10 = 40
40 - 10 = 30
80 + 6 = ___
86
Avyan did 30 jumping jacks. The next day he did 20 more. The day after that, he did another 30. How many jumping jacks did he do in all?
30 + 20 + 30 = 80
*3 tens + 2 tens + 3 tens could help
30 - 20 = ____
___ ten
30 - 20 = 10
1 ten
37 + 5 = _____
You could count forward using a hundred chart, make a 10, or add tens and ones.
37 + 5 = 42
33 + 20 = ____
____ - 20 = 33
33 + 20 = 53
53 - 20 = 33
44 + 44 =
88
Liam had 36 Pokemon cards. Then he bought 12 more. He decided to give 12 to Jonah. How many cards does Liam have now?
36
36 + 12 - 12 = 36
80 - 50 = ____
____ tens
80 - 50 = 30
3 tens
37 + 50 = ____
You could add tens and ones, or use a hundred chart to add the tens in.
37 + 50 = 87
80 + 20 = ____
100 - 20 =
80 + 20 = 100
100 - 20 = 80
72 - 30 = ___
42
Addie has 12 books. Miles has 4 more books than Addie. How many books do they have in all?
28 books
Step 1: 12 + 4 = 16 --This tells us how many Miles has.
Step 2: 12 + 16 = 28 --This tells how many Addie + Miles have.
90 + 20 = ____
___ tens
90 + 20 = 110
11 tens
75 + 17 = ____
You could make a ten, or add tens and ones.
75 + 17 = 92
If you do 40 + 50 = 90, what related fact can you solve to get back to where you started?
90 - 50 = 40
58 - 7 = ___
51