Addition/Subtraction
3018 + 32 =
3050
8 x 5 =
40
What is the definition of Area?
Area measures the space inside a closed shape.
What is the definition of Perimeter?
Perimeter is the distance along the outside of a closed shape.
Today, Ray added his age and his brother’s age and he got 11. What will be the sum of their ages after one year?
A. 12 B. 13 C. 14 D. 15 E. 22
Each brother ages one year.
2 brothers x 1 year = 2 years aged total.
11 + 2 = 13 years.
Answer = B. 13
253 - 235 =
18
If you change the order of numbers in a multiplication problem, does the answer change?
No! According to the commutative property, the answer will not change if we change the order of the numbers.
What is the formula for Area of a rectangle?
Length x Width
What is the formula for Perimeter?
Add all sides of a shape
What is the missing number in the sequence
1, 2, 4, ___, 11, 16?
A. 5 B. 6 C. 7 D. 8 E. 9
Pattern is +1, +2, +3, +4, +5
Answer = C. 7
368 + 368 =
736
How can we distribute the problem below to make it easier?
27 x 9 =
(10 x 9) + (10 x 9) + (7 x 9)
What is the Area of the following shape?
https://drive.google.com/file/d/13jtwjhh97NnD_c_Y3KkRJttU2hiZnnmX/view?usp=drive_link
Area = 61cm2
What is the Perimeter of the following shape?
https://drive.google.com/file/d/13tQDHHnK624fGDoXy2NxiJtLyHYYRztz/view?usp=drive_link
Perimeter = 44 units
Lilia scored 15 points fewer than Bob, who scored 35 points. Carol scored half as many points as Lilia. How many points did Carol score?
A. 10 B. 20 C. 25 D. 50 E. None of the above
Bob = 35
Lilla = 35 - 15 = 20
Carol = 20 / 2 = 10
284 - 195 =
89
19 x 24 =
456
What is the Area of the following shape?
https://drive.google.com/drive/u/0/folders/1DcSp9iIPtmouJ3OjJ8D5uFcrv8GbOVXQ
Area = 98cm2
What is the Perimeter of the following shape?
https://drive.google.com/file/d/13v250XKNQJStER8mSdJapcq0rsW3c1UK/view?usp=drive_link
The seats on a children's merry-go-round are labelled 1, 2, 3, . . .. On the merry-go-round, Joseph was sitting on seat number 2, exactly opposite Tess, who was sitting on seat number 7. How many seats are there on the merry-go-round?
A. 6 B. 7 C. 8 D. 10 E. None of the above
956 - 338 + 205 =
823
94 x 21 =
1974
What is the Area of the following shape?
https://drive.google.com/file/d/13sLHulW3TZJpDtFzoG2z59NBbAVFlVgP/view?usp=drive_link
What is the Perimeter of the following shape?https://drive.google.com/file/d/13sLHulW3TZJpDtFzoG2z59NBbAVFlVgP/view?usp=drive_link
Study the picture carefully. What number should be placed in the shaded box?https://drive.google.com/file/d/13ySC7fr8XWsTB6kZrZNTb94TNQAzSxSO/view?usp=drive_link