Compare & More/Less
What is 10 more than 76?
86
Ms. Lindor had some cookies. Ms. Alcivar gave her 8 more cookies. Now Ms. Lindor has 15 cookies. How many cookies did Ms. Lindor start with? Show your work to explain.
___ + 8 = 15 or 15 - 8 = _____
Ms. Lindor started with 7 cookies.
I started with 8 and counted on to 15.
I started with 15 and counted back until I got to 8.
I can subtract 8 from 15.
45 + 15 =
60
What is the value of 5 tens and 3 ones?
53
Match the Expression with a number. How do you know? (see Math power day slide 6) https://docs.google.com/presentation/d/1_xzs7qJCky1TEy-bPBzWETVPzJvHZhKxm27dKLviN4k/edit?slide=id.g3ca77611cbd_0_109#slide=id.g3ca77611cbd_0_109.
45
Write <, =, or > to compare the numbers. How do you know?
57 ____ 92
57 < 92. I know because there are more tens in 92 than in 57.
Roman said that 77 + 10 = 87.
Ms. Martin said that 77 + 10 = 78.
Who is correct? How do you know?
Roman is correct because if you add one more ten to 7 tens you get 8 tens and your left over 7 ones. So your answer is 87. Ms. Martin added to her ones place and not her tens, but we're only adding ten, not ones.
19 + 31
50
Fill in the blanks: 39
__ tens + ___ ones = ____
__ + ___ = ____
3 tens + 9 ones = 39
30 + 9 = 39
Match the Expression with a number. How do you know? (see Math power day slide 7) https://docs.google.com/presentation/d/1_xzs7qJCky1TEy-bPBzWETVPzJvHZhKxm27dKLviN4k/edit?slide=id.g3ca77611cbd_0_109#slide=id.g3ca77611cbd_0_109.
99
Find the value:
49 + 10 = _____
How do you know?
59.
Amya had some stickers. Damarilove gave her 14 more stickers. Now Amya has 20 stickers. How many stickers did Amaya have first? Show your work to explain.
___ + 14 = 20 or 20 = 14 = ___
Amya has 6 stickers at first
I can start with 14 and count on to 20.
I can count back from 20 to 14.
I can subtract 14 from 20.
60 - 13 =
47
How many tens and ones are there in 99?
9 tens and 9 ones
Match the Expression with a number. How do you know? (see Math power day slide 8) https://docs.google.com/presentation/d/1_xzs7qJCky1TEy-bPBzWETVPzJvHZhKxm27dKLviN4k/edit?slide=id.g3ca77611cbd_0_109#slide=id.g3ca77611cbd_0_109.
51 (tricky)
Which number is greater? How do you know?
87 or 84
There were some dogs at the park in the morning. Then 10 more dogs came in the afternoon. Now there are 19 dogs inthe park. How many were at the park in the morning? Show your work to explain.
____ + 10 = 19 or 19 - 10 = ___
9 dogs were at the park in the morning.
I could start with 10 and count on to 19.
I could start with 19 and count back 10.
I could take away 10 from 19, and I know that if I take one 10 away I'm left with 9
100 - 40
60
What is the value of 11 tens?
110
Match the Expression with a number. How do you know? (see Math power day slide 9) https://docs.google.com/presentation/d/1_xzs7qJCky1TEy-bPBzWETVPzJvHZhKxm27dKLviN4k/edit?slide=id.g3ca77611cbd_0_109#slide=id.g3ca77611cbd_0_109.
70
What is 10 more than 94?
104
Which word is spelled correctly?
beak
100 - 20
80
65
Write a number sentence to represent the values in this number.
60 + 5 = 65
Match the Expression with a number. How do you know? (see Math power day slide 10) https://docs.google.com/presentation/d/1_xzs7qJCky1TEy-bPBzWETVPzJvHZhKxm27dKLviN4k/edit?slide=id.g3ca77611cbd_0_109#slide=id.g3ca77611cbd_0_109.
104