Back to Types of Numbers: Composite, Square, Cubic, and Triangular — Problem 2 · Task Set 15

Exercises: Types of Numbers — Composite, Square, Cubic, and Triangular

Work through each section in order. Show your work where indicated.

Grade 7·19 problems·~30 min·Uganda NCDC Primary 7 Mathematics·lesson·patterns-02
Work through problems with immediate feedback
A

Fluency Practice

Four growing square dot arrays of 1, 4, 9, and 16 dots, showing the square-number pattern
1.

The dot arrays below grow as 1×11 \times 1, 2×22 \times 2, 3×33 \times 3, 4×44 \times 4. What is the next square number in the sequence 1, 4, 9, 16,   ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲ ̲   ?