Expressions
Evaluate this expression: 7+(3×4)
19
If all rectangles have four right angles, what can you say about the angles in a square? Explain why.
Squares have 4 right angles because all squares are rectangles!
Write this in standard form: Eight hundred twenty-three and six hundred ninety-two thousandths
823.692
Emma had 25.6 liters of juice. She drank 8.47 liters. About how many liters of juice does she have left?
34 liters
Find the product: 871 x 23
20,033
Write an expression: Add 8 and 5, then multiply the result by 3.
(8+5) x 3
Given these shapes: square, rectangle, and parallelogram, arrange them in a hierarchy from most general (biggest category) to most specific (subcategory).
Paralellogram, rectangle, square
Write this decimal in word form: 56.073
Fifty six and seventy three thousandths
Find the difference: 45.9−18.47
27.43
400 x 30
12,000
Evaluate this expression: [10−(2+3)]×5
25
Triangles are polygons with three sides. Is an equilateral triangle also a polygon? Explain your answer using category and subcategory ideas.
Yes, because a equilateral triangle is a subcategory of triangles and triangles is a subcategory of polygons!
100 x 0.023 =
2.3
Liam bought 4.78 meters of ribbon and 3.2 meters of fabric. About how many meters of materials did he buy altogether?
8 meters
A bookshop sells about 67 books each day. About how many books does the shop sell in 29 days?
2,100 books
Write an expression: Subtract 4 from 15, then divide by 2.
(15-4) / 2
Which shapes belong to both the categories "quadrilateral" and "parallelogram"? List them and explain why.
Rectangles and squares!
Round this decimal to the nearest tenth: 786,099.09
786,099.1
Find the sum: 7.305+2.4
9.705
A publishing company prints 1,278 copies of a book every day. How many copies do they print in the month of October?
39,618 copies of books
Evaluate this expression: {6×[4+(2×3)]}−5
55
Describe the attributes of a trapezoid
A quadrilateral with exactly 1 pair of parallel sides!
Compare these decimals: 9,089.90 9,098.90
9,089.90 < 9,098.90
32.25 liters
A stadium has 38 sections. Each section has 1,245 seats. How many seats are there in the entire stadium?
47,310 seats