Addition and Subtraction
Word Problems
Even and odd
Arrays and Partition
Shapes
100
7+5=?
12
100
Abraham had 27 pretzels. He ate 13 pretzels at lunch. How many pretzels does Abraham have left for snack.
27-13=? Abraham has 14 pretzels left for snack.
100
Look at the Xs. Is there an even or odd number of them? How do you know? xxxxxxxxxxxxxxx
There are 15 Xs. There is an odd number of Xs. One is left out of the group. Everyone doesn't have a partner. 15 has a 5 in the ones place and 1,3,5,7,9 are odd numbers.
100
10+10+10=?
30
100
This shape has eight sides, eight vertices, and eight angles, It looks like a stop sign.
Octagon
200
9+?=18
9
200
Mr. Prince had 20 inches of film in his camera. He used some when he took pictures of the students. Now Mr. Prince has 9 inches of film in his camera. How much film did Mr. Prince use?
20-?=9 Mr. Prince used 11 inches of film.
200
Is 247 even or odd? How do you know?
247 is an odd number because there is a 7 in the ones place and 1,3,5,7,9 or odd numbers.
200
What is the repeated addition equation for an array with 3 columns and 5 rows?
3+3+3+3+3=15 or 5+5+5=15
200
What is the difference between a two-dimensional shape and a three-dimensional shape? Tell one example of each.
A 2D shape is flat and has sides, vertices, and angles. A 3D shape takes up its own space and has edges, faces, and vertices. Its faces will look like that of a 2d shape. A square is 2D and a cube is 3D.
300
6+7=7+6 is an example of what vocabulary word?
Commutative Property
300
Oscar was playing hopscotch with Melanie. He skipped 12 times before throwing the rock. He skipped some more after throwing a rock. In all, Oscar skipped 22 times. How many times did he skip after throwing the rock? How do you know?
12+?=22 Oscar skipped 10 times before throwing the rock.
300
Is the number after 150 even or odd? How do you know?
The number 151 is odd because there is a 1 in the ones place and 1,3,5,7,9 are odd numbers. I can not make pairs and everyone does have a partner. I can't make equal groups or teams.
300
What is another repeated addition equation that could represent an array that has 5 rows of two? 2+2+2+2+2=?
10 2 columns of 5 so 5+5=10
300
What is a quadrilateral?
A quadrilateral is a shape that has four sides, four angles, and four vertices.
400
P+P=W or W-P=P Is an example of what vocabulary word?
Inverse Operation
400
Braeden had some popcorn kernels. He receives 18 popcorn kernels from his brother Casey. Now Braeden has 23 popcorn kernels. How many popcorn kernels did he receive from Casey? How do you know?
?+18=23 Braeden received 5 popcorn kernels from Casey.
400
Maryuri wrote the following equation to represent her array: 3+3+3+3 Is this an even or odd number? How do you know?
3+3+3+3=12. This is even because there is a 2 in the ones place and 0,2,4,6,8 are even numbers. I can make pairs and everyone has a partner. I can make equal groups or teams.
400
Macleaseeah partitioned a brownie into 20 pieces. How many columns and rows could she have made?
4 rows and 5 columns 5 rows and 4 columns 10 rows and 2 columns 2 rows and 10 columns
400
Describe a pentagon and where you may see it in real life.
The pentagon has 5 sides, 5 vertices, and 5 angles. Some examples are the school crossing sign and the pentagon building in DC. It can also be found as the white pattern on a soccer ball.
500
7+6+?=18
5
500
Nency had 9 stickers. She lost 4 but then Ms. Bettis gave her 2 more. How many stickers does Nency have now? How do you know?
Nency has 7 stickers because 9-4+2=7 or 9-4=5 and 5+2=7
500
Terri, Brett, Amauri, Quetzali, Vania, Roderick, Claire and Evolet are all apart of a soccer team. They need to split into two equal groups in order to practice. What is a true statement about this group?
The group can be split into two equal groups of four.
500
What multiplication fact represent this repeated addition equation? 4+4+4+4+4+4=?
4X6=24 or 6X4=24
500
Name five quadrilaterals?
Five quadrilaterals are the square, rectangle, parallelogram, trapezoid, rhombus.
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