
Number Sense28 lessons

Basic Comparison
Choose the best answer.
10 is 7
Lesson PreviewFill in the blanks.
The number 17 has ten and ones.
Lesson PreviewWhat words should fill in the blank?
84 81
Lesson PreviewPut these numbers in order from lowest to greatest.
72, 70, 83
Lesson PreviewWhat words should fill in the blank?
66 59
Lesson PreviewRound to the nearest ten.
95 rounds to .
Lesson PreviewIs 98 an even number or an odd number?
Lesson PreviewWhat number has 9 hundreds, 8 tens, and 0 ones?
Lesson PreviewFill in the blank with <, >, or =.
699 630.
Lesson PreviewWhat comes next? Count two at a time.
85, 87, 89, , ,
Lesson PreviewFill in the blanks to complete the pattern.
60, 59, , 57, ,
Lesson PreviewWhat number has 9 hundreds, 8 tens, and 0 ones?
Lesson PreviewWhat number has 8 thousands, 1 hundreds, 2 tens, and 8 ones?
Lesson PreviewFill in the blank
1,612 9,270
Lesson PreviewRound 8,360 to the nearest ten.
Lesson PreviewRound each number to the greatest place. Then add or subtract to estimate.
13 + 59 =
Lesson PreviewArrange the following numbers from greatest to least.
5,970, 3,504, 2,858, 7,212, 8,114 , , , ,
Lesson PreviewComplete the patterns by filling in the blanks
112,022,496; 112,023,496; ; 112,025,496;
Lesson PreviewChoose the answer that correctly fills in the blank.
436,583,279 422,403,705
Lesson PreviewFill in the blank.
98 is when rounded to the nearest ten
Lesson PreviewEvaluate the expression
984  317  0
Lesson PreviewRound off each number to the hundreds. Then perform the math function to estimate the result
998  923 =
Lesson PreviewRound off each number to the hundreds. Then perform the math function to estimate the result
5,653  4,517 =
Lesson PreviewChoose the answer that correctly fills in the blank.
1 6
Lesson PreviewIf there are 2 squares, 8 triangles, and 4 circles in a box, what is the probability of choosing a square? Do not simplify. Lesson PreviewChoose the answer that correctly fills in the blank.
436,583,279 422,403,705
Lesson PreviewIn the number 702.470, which digit is in the tenths place?
Lesson PreviewFill in the blank.
98 is when rounded to the nearest ten
Lesson Preview 
Fractions, Mixed Numbers, And Decimals29 lessons

Fractional parts of a number
Find the fractional part of the number
4 of 2 = 5 Lesson PreviewWhat number is equal to
9 6 Lesson PreviewWhat number is equal to
24 28 Lesson PreviewChoose the answer that correctly fills in the blank.
4 4 6 4 Lesson PreviewWhat fraction does 5 6 equal? 7 Lesson Preview3 + 7 = 6 6 Lesson PreviewWrite the fraction or mixed number as a decimal
1 = 10 Lesson PreviewWrite the fraction or mixed number as a decimal
1 6 = 10 Lesson PreviewChoose the answer that correctly fills in the blank.
8.58 2.6
Lesson PreviewChoose the answer that correctly fills in the blank.
38 4 10 Lesson PreviewRound to the underlined digit
4.4109 =
Lesson PreviewFill in the blank.
1.5 + 0.63 =
Lesson PreviewIs 7 a proper fraction, an improper fraction, or a mixed number? 6 Lesson PreviewWhat number is equal to
9 6 Lesson PreviewWhat number is equal to
24 28 Lesson PreviewChoose the answer that correctly fills in the blank.
4 4 6 4 Lesson PreviewWrite the fraction 34 as a decimal. 100 Lesson PreviewFill in the blank with < or > or =
0.71 1 . 5 Lesson PreviewWhich of the following is equivalent to 3 ? 7 Lesson PreviewRewrite the fractions using their least common denominator. Then fill in the comparison using >, < or =
3 = 2 = . 3 2 5 3 5 3 Lesson PreviewFill in the blank with < or >.
4 5 37 10 10 Lesson Preview0.62 =
Lesson Preview3 + 7 = 6 6 Lesson PreviewFill in the blank. Your answer should be a mixed number in simplest form.
6 7 + 6 = 20 20 Lesson PreviewAnswer in the simplest form possible.
9 5  8 4 = 7 7 Lesson PreviewFill in the blank. Your answer should be a fraction in simplest form.
1 × 4 = 6 Lesson PreviewSolve
2 ÷ 1 = 5 Lesson PreviewFill in the blank.
1.5 + 0.63 =
Lesson PreviewMultiply
0.4 × 0.3 =
Lesson Preview 
Algebra22 lessons

Expressions using parentheses
Evaluate the expression
(735 + 688) + 240
Lesson Preview(936 + 426) + 255 = 936 +
Lesson PreviewEvaluate the expression
6 + 5 + (9  8) × 8
Lesson PreviewEvaluate the expression
a  1 = , where a=3
Lesson Preview12 + 3 × 5 =
Lesson PreviewWrite an algebraic expression that describes the following word phrase, using the letter `a` for the unknown number.
nine times a number minus two = a 
Lesson PreviewSolve the equation.
x + 14 = 14, x =
Lesson PreviewUse the distributive property to fill in the blank.
2 × 26 = (2 × 18) + (2 × )
Lesson PreviewFill in the blank.
54 × 73 = 73 ×
Lesson PreviewFill in the blank.
48 + (2 + 50) = (48 + 2) +
Lesson PreviewFill in the blank.
3,894 + 0 =
Lesson PreviewRound to the underlined digit
4.4109 =
Lesson PreviewRound to the nearest whole number, and then estimate the sum.
5.474 + 3.957 ≈
Lesson Preview12 + 3 × 5 =
Lesson PreviewUse the distributive property to fill in the blank.
2 × 26 = (2 × 18) + (2 × )
Lesson PreviewEvaluate the expression when x = 11.
3x  14 =
Lesson PreviewIn the expression 21x + 37, what is the coefficient of x? What is the constant term?
Lesson PreviewUse the formula P = 2l + 2w to find the perimeter of a rectangle with the following dimensions:
Length 9, Width 17 =
Lesson PreviewSolve the equation.
x + 12 = 15, x =
Lesson PreviewSolve the equation.
7y = 7 × 1, y =
Lesson PreviewHow would you write the ratio of 32 to 73 in ratio form? Do not simplify the ratio.
Lesson PreviewSolve for x.
x = 19 , x = 30 15 Lesson Preview 
Factoring And Multiples14 lessons

Factoring
1 × 56 =
2 × 28 =
4 × 14 = 56
7 × 8 = 56
8 × 7 = 56
14 × 4 = 56
28 × 2 = 56
56 × 1 = 56
The factors of 56, from least to greatest, are 1, 2, , 7, , 14, 28, 56Lesson PreviewList the next three multiples of the number 9.
9, 18, , ,Lesson Preview1 × 56 =
2 × 28 =
4 × 14 = 56
7 × 8 = 56
8 × 7 = 56
14 × 4 = 56
28 × 2 = 56
56 × 1 = 56
The factors of 56, from least to greatest, are 1, 2, , 7, , 14, 28, 56Lesson PreviewFill in the blank with the correct word.
6 is a of 18
Lesson PreviewWhat is the value of 1^{5}?
Lesson PreviewWhat is the prime factorization of 67 ordered from least to greatest? ,
Lesson PreviewIf you know 79 is prime, what are the factors for 79 ordered from least to greatest? ,
Lesson PreviewWhat is the greatest common factor of 64 and 24?
Lesson PreviewIf you know 79 is prime, what are the factors for 79 ordered from least to greatest? ,
Lesson PreviewWhat is the value of 1^{5}?
Lesson PreviewWhat is the greatest common factor of 64 and 24?
Lesson PreviewWhat is the greatest common factor of 16, 24 and 24?
Lesson PreviewWhat is the least common multiple of 5 and 50?
Lesson PreviewFind the least common multiple of 2, 5, and 25.
Lesson Preview 
Geometry36 lessons

Identify Solid Figures
Identify the shape of the figure:
Lesson PreviewWhat is the name of the figure?
Lesson PreviewHow many sides in the figure?
Lesson PreviewHow many vertices in the figure?
Lesson PreviewWhich figure has more vertices?
Figure 1 Figure 2 Lesson PreviewWhat shape can you trace from this solid figure?
Lesson PreviewClassify the polygon.
Lesson PreviewFind the perimeter of the shaded figure.
unitsLesson PreviewFind the perimeter of the figure.
cmLesson PreviewFind the area of the shaded figure.
square unitsLesson PreviewWhat is the area of a rectangle with length 4yd and width 5yd? yd^{2}.
Lesson PreviewIdentify the type of triangle.
Lesson PreviewIdentify the type of quadrilateral.
Lesson PreviewIdentify the solid figure.
Lesson PreviewFor the given figure, find the number of faces, edges, and vertices:
Lesson PreviewIdentify the figure:
Lesson PreviewClassify the polygon.
Lesson PreviewIs this figure a line, line segment or ray?
Lesson PreviewWhich answer most accurately describes the figure shown?
Lesson PreviewClassify this angle as right, acute or obtuse:
Lesson PreviewIdentify the type of triangle.
Lesson PreviewIdentify the type of quadrilateral.
Lesson PreviewIdentify the part of the circle.
Lesson PreviewAre these shapes congruent?
Lesson PreviewClassify this angle as right, acute or obtuse:
Lesson PreviewEstimate the measure of the angle:
Lesson PreviewIf angle X = 132, then angle Y =
Lesson PreviewIdentify the type of triangle.
Lesson PreviewFind the value of x.
degreesLesson PreviewFind the value of x.
degreesLesson PreviewWhat is the area of this triangle?
cm^{2}Lesson PreviewWhat is the area of this trapezoid with height = 8 ft?
ft^{2}Lesson PreviewWhat is the volume of this cube with width = 6m?
m^{3}Lesson PreviewWhat is the surface area of this cube with width = 4yd?
yd^{2}Lesson PreviewWhat is the circumference of a circle with diameter = 12m, using 3.14 for ?
mLesson PreviewWhat is the area of a circle with radius = 7m, using 3.14 for ?
mLesson Preview 
Adding And Subtracting Fractions And Mixed Numbers8 lessons

Adding and Subtracting Fractions with like Denominators
3 + 7 = 6 6 Lesson PreviewWhen adding the fractions 6 and 1 , what denominator will your answer have in simplest form? 9 8 Lesson PreviewFill in the blank. Your answer should be a mixed number in simplest form.
4 + 1 = 7 2 Lesson PreviewFill in the blank. Your answer should be a mixed number in simplest form.
6 7 + 6 = 20 20 Lesson PreviewFill in the blank. Your answer should be a mixed number in simplest form.
4 4 + 2 1 = 9 2 Lesson PreviewAnswer in the simplest form possible.
9  7 2 = 3 Lesson PreviewAnswer in the simplest form possible.
9 5  8 4 = 7 7 Lesson PreviewAnswer in the simplest form possible.
9 1  1 2 = 2 9 Lesson Preview 
Multiplying And Dividing Fractions And Mixed Numbers7 lessons

Multiplying Fractions
Fill in the blank. Your answer should be a fraction in simplest form.
1 × 4 = 6 Lesson PreviewFill in the blank. Your answer should be a fraction in simplest form.
3 2 × 1 = 4 5 Lesson PreviewFill in the blank. Your answer should be a mixed number in simplest form.
1 2 × 2 4 = 4 5 Lesson PreviewSolve
2 ÷ 1 = 5 Lesson PreviewSolve in simplest form
8 ÷ 10 = 9 Lesson PreviewSolve in simplest form
2 ÷ 7 = 4 9 Lesson PreviewRewrite the expression to use multiplication, using improper fractions if necessary.
3 4 ÷ 2 6 = × 7 8 7 8 Lesson Preview

Decimal Operations8 lessons

Adding and Subtracting Decimals
Fill in the blank.
1.5 + 0.63 =
Lesson PreviewMultiply
1 × 0.4 =
Lesson PreviewMultiply
0.4 × 0.3 =
Lesson PreviewDivide
11 ÷ 8 =
Lesson PreviewFind the solution.
0.35 ÷ 7 =
Lesson PreviewFind the solution.
15 ÷ 0.6 =
Lesson PreviewSolve.
1.5 ÷ 0.3 =
Lesson Preview4 ÷ 2 =
Lesson Preview 
Other6 lessons

Squares
7 × 7 = 7 with the exponent of
Lesson Preview3 × 5 = , 3 × 50 = , 3 × 500 = , 3 × 5,000 =
Lesson PreviewHow many minutes are there in 7 hours?
Lesson PreviewHow many grams are there in 9 kilograms?
Lesson Preview39)273 = Lesson PreviewWhat is the mean of the set { 11, 10, 7, 9, 13 }?
Lesson Preview 
Division14 lessons

Basic Division
2)10 The quotient is Lesson PreviewCount backwards by 4s all the way to 0 to help you divide 20 ÷ 4.
20, 16, , , , . What is 20 ÷ 4?
Lesson PreviewIf you divide 13 apples into 2 equal groups, how many apples are left over at the end?
Lesson PreviewIn the division equation 32 ÷ 4 = 8, what is the dividend?
Lesson Preview2 ÷ 2 =
Lesson Preview6 ÷ 3 =
Lesson Preview16 ÷ 8 =
Lesson Preview6 ÷ 6 =
Lesson Preview1 )6 , what is the quotient? what is the remainder? Lesson PreviewFind both the quotient and remainder
11 ÷ 1. What is the quotient? What is the remainder?
Lesson PreviewFind both the quotient and remainder
562 ÷ 3. What is the quotient? What is the remainder?
Lesson PreviewCalculate the quotient and remainder
2 ) 22 . What is the quotient? What is the remainder? Lesson Preview1)9,097
Quotient = , Remainder =Lesson Preview8)1,657
Quotient = , Remainder =Lesson Preview 
Multiplication18 lessons

Basic Multiplication
What is 5 × 4?
Lesson PreviewCount by 2s to help you multiply 2 × 6.
2, 4, , , , . What is 2 × 6?
Lesson PreviewWhat is 2 + 2 + 2?
Lesson PreviewIf you have 2 boxes, and put 6 apples into each box, how many apples do you have?
Lesson PreviewWhat is 2 × 6?
Lesson Preview1 × 5 =
Lesson Preview3 × 10 =
Lesson Preview6 × 3 =
Lesson Preview0 × 2 =
Lesson PreviewWhat is 3 × (3 × 8)? What is (3 × 3) × 8?
Lesson PreviewIf 3 × 5 = 15, what is 15 ÷ 5?
Lesson Preview2 × 33 =
Lesson Preview2 × 431 =
Lesson Preview5 × 31 =
Lesson Preview4 × 4 =
Lesson Preview4,925 × 1,401 = × 4,925
Lesson PreviewEvaluate the expression
65 × 4 =
Lesson PreviewRound off each number to the tens. Then perform the math function to estimate the result
71 × 18 =
Lesson Preview 
Integers6 lessons

Comparing Rational Numbers
Fill in the blank with < or >.
19 13 9 4 Lesson PreviewWhat is the opposite of the integer 4?
Lesson PreviewWhat is the absolute value of the integer 17?
Lesson PreviewFind the difference.
4  9 =
Lesson PreviewFind the product.
4 × 2 =
Lesson PreviewWhat is the value of 0 ÷ 12?
Lesson Preview 
Percents3 lessons

Probability2 lessons