Page 101 - NZ Catalogue 2017

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GUESS MY NUMBER SENTENCE (ADDITION & SUBTRACTION) FLIP BOOK
Guess inverse addition or subtraction number sentences in pairs, groups or with the whole class. Add one digit numbers
to two digit numbers up to 20. Understand the inverse relationship between addition and subtraction. Also great for working out missing numbers in addition & subtraction number sentences.
Measures 260mm x 85mm. Ages 5+ NS40......................................................... $19.90
When the front shows an addition sentence...
NUMBER MOUNTAINS - GREEN
Derive the missing number or write related number sentences with these self correcting Number Mountains. Two more sets at a higher level: Addition & subtraction of numbers to 100 using number bonds and place value; and multiplication and division of 2s, 5s and 10s to the 10th multiple. Each mountain measures 68mm high. Ages 6+
What is the subtraction sentence I can see?
SELF CORRECT
IDEAL FOR OUTDOOR LEARNING
8+7=|5 |578
8+7=|5 |578
78
78
-= -=
-= -=
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PRICES INCLUDE GST
99
Addition & Subtraction
DOUBLE SIDED
30 DAYS’ TRIAL FOR SCHOOLS!
PHOTOCOPY PAGES!
...the reverse shows inverse subtraction.
NS43 Number Bonds (Addition & subtraction) to 100.................. $19.90 NS44 Number Bonds (Multiplication & Division) 2, 5, 10................. $19.90