Page 102 - NUMINO TB_3A

054_G3U10_G3U15_˙—» ¿º 2011.3.22 9:18 PM ˘ ` 91 PDF_In 2540DPI 150LPI T

Objective: Learn how to multiply 2-digit numbers by 1-digit numbers

Chat
Explain how you drew the lines.

Learn how to multiply 20 by 3.

3 2 tens 6 tens 20
3

60

Multiply. 20 2 30 3
10 5 50 3 80 0
40 3
10. 99 0 = ?? 91