Addition
Subtraction
Math Vocabulary
Word Problems
Random Q's
100
3+11
14
100
10-4
6
100
3+5=8
Equation
100
There are 24 apples in a basket. There are 19 apples on a tray. How many apples are there in all?
43
100
Give an example of an odd number
3, 5, 7, 9, 11, 13, etc. - odds can't be split into two equal groups
200
20+22
42
200
15-9
6
200
2, 4, 6, 8, 10, 12, 14.....
Even
200
Bella said there is only one way to rewrite this problem to make the numbers easier to add. Is she correct? Explain. Then solve.
Bella is not correct. She can do 40+31 or 41+30. There are other ways to rewrite the problem too.
200
Break apart the number 34
34 = 30 + 4
300
34+40
74
300
22-11
11
300
7+8=15
8+7=15
15-8=7
15-7=8
Fact family
300
Lucita wants to use an open number line to find 53 + 18. Show how Lucita can use an open number line to find 53 + 18.
To use an open number line - start at 53. Add +10, then +8 to get to 71.
300
Using an open number line solve:
48 + 13 =
61
400
45+55
100
400
34-14
20
400
Open number line
400
Martin has 44 marbles. Carol has 39 marbles. Steve has 90 marbles. How many marbles do Martin and Carol have in all? Do they have more or fewer marbles that Steve?
83. They have fewer marbles than Steve.
400
The red team has 15 more points than the blue team. The blue team has 36 points. How many points does the red team have?
51 points
500
62+31
93
500
55-42
13
500
38 + 24 = ?
+2 -2
40 + 22 = 62
Compensation
500
There are 16 chickens in the yard. There are 19 chickens in the barn. There are 30 nesting boxes. Will all the chickens have a nest? Explain.
Not all the chickens will have a nest. 16+19=35. 35 is greater than 30, so not all chickens will fit in the nesting boxes.
500
What is the ones place in this number: 34
4 - there are 4 ones in 34