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Introduction to Algebraic Thinking

Algebra

Foundational concepts of patterns, missing numbers, and balance equations for young learners.

math patterns logic

10 Questions Medium Ages 5+ Apr 17, 2026

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About this Study Set

This study set covers Algebra through 10 practice questions. Foundational concepts of patterns, missing numbers, and balance equations for young learners. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Introduction to Algebraic Thinking study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 If 3 + ? = 5, what is the missing number?

2 Which of these is a repeating pattern?

A Red, Blue, Red, Blue
B Red, Blue, Green, Yellow
C Circle, Square, Triangle, Star
D 1, 2, 4, 8

3 What comes next in the pattern: 2, 4, 6, 8, ?

A 9
B 10
C 11
D 12

4 If a balance scale has 5 cubes on one side and 2 cubes on the other, how many more cubes are needed on the right to make it equal?

5 Find the missing number in this sequence: 10, 20, 30, ?, 50.

A 35
B 40
C 45
D 60

6 Which symbol is used in math to show two amounts are equal?

A +
B -
C =
D ×

7 If 7 - ? = 4, what is the missing number?

8 What is the rule for this pattern: 5, 10, 15, 20?

A Add 2
B Add 5
C Subtract 5
D Add 10

9 In the equation 4 + 4 = 8, what does the number 8 represent?

A The sum
B The difference
C The missing part
D The remainder

10 If a pattern goes: Star, Moon, Star, Moon, what shape comes after the Moon?

A Square
B Circle
C Star
D Triangle

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