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Digits and Divisibility - Intro

40 Topics, 3 Skills

Digit Solving - Ones Digit in Multiplication Product - Find Digit

Topic 1

Digit Solving - Ones Digit in Multiplication Product - Is It Possible

Topic 2

Digit Solving - Ones Digit in Multiplication Factor - Which Digit Possible

Topic 3

Divisibility Rules (Easy) - Dividend to Yes/No

Topic 4

Divisibility Rules (Medium) - Dividend and Condition to Yes/No

Topic 5

Digit Solving - Ones Digit in Exponents (Small Base) - From Multiplication

Topic 6

Digit Solving - Ones Digit in Exponents (Small Base) - From Power

Topic 7

Digit Solving - Ones Digit in Exponents (Large Base) - From Multiplication

Topic 8

Digit Solving - Ones Digit in Exponents (Large Base) - From Multiplication

Topic 9

Digit Solving - Ones Digit in Exponents (Large Exponent) - From Power

Topic 10

Is Number a Factor - From Value as Factors

Topic 11

Is Number a Factor of Both - From Variables as Factors

Topic 12

Is Integer a Factor - From Value as Factors

Topic 13

Is Integer a Factor of Both - From Values as Factors

Topic 14

Digit Solving - Ones Digit in Multiplication Product - Which Digit Possible

Topic 15

Divisibility Rules (Easy) - Dividend and Condition to Yes/No

Topic 16

Divisibility Rules (Easy) - Dividend to Yes/No

Topic 17

Divisibility Rules (Medium) - Dividend to Yes/No

Topic 18

Digit Solving - Ones Digit in Exponents (Small Base) - From Multiplication

Topic 19

Digit Solving - Ones Digit in Exponents (Small Base) - From Power

Topic 20

Digit Solving - Ones Digit in Exponents (Large Base) - From Power

Topic 21

Digit Solving - Ones Digit in Exponents (Large Base) - From Power

Topic 22

Digit Solving - Ones Digit in Exponents (Large Exponent) - From Power

Topic 23

Is Number a Factor of Both - From Values as Factors

Topic 24

Is Number a Factor - From Value as Factors

Topic 25

Is Number a Factor - From Variable as Factors

Topic 26

Is Integer a Factor - From Value as Factors

Topic 27

Digit Solving - Ones Digit in Multiplication Factor - Is It Possible

Topic 28

Divisibility Rules (Easy) - Dividend and Condition to Yes/No

Topic 29

Divisibility Rules (Medium) - Dividend and Condition to Yes/No

Topic 30

Divisibility Rules (Medium) - Dividend to Yes/No

Topic 31

Digit Solving - Ones Digit in Exponents (Small Base) - From Multiplication

Topic 32

Digit Solving - Ones Digit in Exponents (Small Base) - From Power

Topic 33

Digit Solving - Ones Digit in Exponents (Large Base) - From Multiplication

Topic 34

Digit Solving - Ones Digit in Exponents (Large Base) - From Power

Topic 35

Digit Solving - Ones Digit in Exponents (Large Exponent) - From Power

Topic 36

Is Number a Factor - From Variable as Factors

Topic 37

Is Number a Factor of Both - From Values as Factors

Topic 38

Is Number a Factor of Both - From Variables as Factors

Topic 39

Is Integer a Factor of Both - From Values as Factors

Topic 40

Digit Solving - Ones Digit in Exponents (Large Base) - From Multiplication (Level 2)

Topic 34

This math topic focuses on identifying the ones digit of large numbers raised to various powers through multiplication. Each question presents an expression whose result's ones digit needs to be deduced. The problems include base numbers like 87, 83, 60, 44, 57, 91, and 90, raised to powers ranging from 3 to 4. This is part of a broader theme of digits and divisibility, with an emphasis on understanding the patterns observed when large numbers are multiplied repeatedly. The skill practiced is critical for enhancing number sense and understanding modular arithmetic properties.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

View Unit

Digit Solving - Ones Digit in Exponents (Large Base) - From Multiplication

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the ones digit when these numbers are multiplied

67×67×6767 \times 67 \times 67