Arithmetic
54-28=
26
Round 65,536 to the nearest thousand
66,000
1/3 × 3/5 =
3/15 = 1/5
Order of Operations
What Is the Order of Operations in Math?
Order of operations (PEMDAS)
Parentheses first
Exponents (Powers and Square Roots, etc.)
Multiplication and Division (left-to-right)
Addition and Subtraction (left-to-right)
12x11=
132
Round 6.8452 to the nearest tenth
6.8
1/3 × 5/3 =
5/9
Divisibility
If the last digit is even, then the number is divisible by 2?
True or False?
True
4 × (5 + 3)=
4 × 8= 32
Round 632.57 to the nearest hundred
600
4 × 2/3=
8/3
Fractions
What are the 3 easy steps to divide fractions?
1.) KEEP = Keep the first fraction as is
2.) CHANGE = Change the division sign to a multiplication sign.
3.) FLIP = Flip the second fraction (swap the numerator and the denominator)
5 ×22 =
5 × 4= 20
Round 0.52371 to the nearest thousandth
0.524
5/8 ÷ 2/3 =
5/8 × 3/2 = 15/16
Fractions
What is the number below the line of the fraction called?
Denominator
30 ÷ 5 × 3 =
6 × 3= 18
Round 7.3087 to the nearest thousandth
7.309
2/5 ÷ 7/3 =
2/5 x 3/7= 6/35
There are 2 rolls of silver ribbon. If each roll of ribbon is 28 inches long, how much silver ribbon is there?
28 + 28 = 56
There are 56 inches of silver ribbon.