Page 17 - steps 4b 02.pdf
P. 17
RM21
• • Addition and Subtraction • • • • 4b:7
OJ Write any numbers from 1 to q
in the empty satellites to make
the total on the star.
[!] Write I -digit satellite numbers which 30 means use 3 odd numbers.
total the number on the star. 2E means use 2 even numbers.
4E 30, IE 20,2E 10,3E
50 2E,30 3E,20 IE,40
e [!] Afterwards, work with a friend to check each other's answers.
Adding mentally several one-digit numbers.
I Nome
Date
t?\ 1 0011 u ............. ...,...""'I1: ...... D . ........................ CTCOC::: A h
