Add/ Subtract
Lisa had 79 baseball cards on Friday. On Monday she gave Mac 23 baseball cards. How many baseball cards does she have left?
56
Josh wants to buy a toy that costs $12. He only has $3. How many more dollars does Josh need to save before he can buy the toy?
$9
What strategy could be used to figure out the problem 14-6?
14-4=10
10-2=8
If a student is skip counting by 10's from 273 what number would come next?
283
The expression 200+60+3 is the expanded form of which number?
Two hundred sixty three
A child reads 24 pages of a book on Saturday. On Sunday they read some more. The child read a total of 56 pages. How many pages did they read on Sunday?
32
Lexi wants to buy a pizza that costs $23.50. She has $20. How much money does she need to buy the pizza?
$3.50
Lily decorated 36 t-shirts.
Mac decorated 41 t-shirts.
Betty decorated 22 t-shirts.
How many shirts did they decorate in all?
99
A student is skip counting by 100's from 367. What number could the student possibly count?
A. 567
B. 387
C. 374
D. 368
A. 567
What is another way to represent 23+31+18?
Ex: 6 tens and 12 ones
7 tens and 2 ones
Tom and Sam have a collection of toys. Sam has 31 red toys and 12 blue toys. Tom has 36 toys. What number sentence can be used to find how many more toys Sam has than Tom?
31+12-36
Polly bought a dress for $14.24 and a pair of shoes for $9.37. How much money did she spend in all?
$24.61
Is the number 732 even or odd? How do you know?
Even, because 2 is an even number.
Max is skip counting by 10's from 238. What would his next three numbers be
248, 258, 268
A teacher writes the problem 453<249
Joe says this is correct because 3 ones is less than 9 ones.
Lisa says this is incorrect because 4 hundreds in more than 2 hundreds.
Who is correct?
Lisa
A student wants to check the problem 74-12=62
How can the student check to make sure the problem is correct?
62+12=74
Felix had $56.21. He bought a bike that costs $32.16. How much money does he have left?
$24.05
What is 12+23+26+41?
102
Gail is jumping back by 5's from 65 on her number line. What three numbers would be next?
60, 55, 50
Come up with two number sentences that equal 35?
Any two equations will work as long as they equal 35.
A store has 85 plants. A customer buys 16 plants. How many plants are left at the store?
69
Mike has $76.86. He bought a TV for $58.98. How much money does he have left?
$17.88
Why is 7 an odd number?
You can't make even groups with it.
Sarah is counting back by 2's from 12. What would the next number be?
10
A child has 43 cats treats. The child gives 12 treats to the cats. What number sentence could be used to figure out how many treats are left in the bag?
12+__=43