Subtraction facts for students who have learned all the facts to 20, and are drilling for greater speed, or learning extended facts that go beyond the basic facts.

• ### Doubling and Halving to 20 [PowerPoint TBM203]

35 slides. Doubling and halving numbers to 20. Mental strategy used with ten frames to encourage subitizing of answers. Counters animate. Interactive PowerPoint Think Bubble Math 203

• ### Subtraction Facts: Count Back 1 Difference of 1

Strategy of “Count back 1, Difference of 1” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Count Back 2 Difference of 2

Strategy of “Count back 2, Difference of 2” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Count Back 3 Difference of 3

Strategy of “Count back 3, Difference of 3” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Rainbow Facts

Strategy of “Rainbow Facts” (pairs to 10) is reinforced. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Special Cases

Strategy for taking 0 and 10 is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Doubling Halving

Strategy of halving numbers is reinforced. Includes missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Relate to Doubles Plus 1

Strategy of subtraction related to “Doubles +1” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Near 10 Plus 9 Difference of 9

Strategy of “-9, Near 10” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Near 10 Plus 8 Difference of 8

Strategy of “-8, Near 10” is reinforced. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Last Facts & Revision

Remaining facts are introduced and reinforced. All others are revised. Includes turnaround facts and missing number questions. The sheet is timed and recorded for speed and accuracy.

• ### Subtraction Facts: Assessment

Set of 5 assessment tests to check on how students are progressing with each of the units in the Subtraction Number Facts series of worksheets.

• ### Subtraction Facts: Homework

Set of 10 homework sheets to match each of the sets in the Subtraction Number Facts series. Contains information for parents.

• ### Subtraction Games: Number Facts Frenzy & Line-Up

Board game and cards. Print, cut out and laminate. Game helps increase students recall speed of subtraction number facts. 2-4 players.

• ### Gadgets Number Facts: +1

Fact Families for the +1 facts. Match the addition with the subtraction and turnaround facts.

• ### Gadgets Number Facts: +2

Fact Families for the +2 facts. Match the addition with the subtraction and turnaround facts.

• ### Gadgets Number Facts: +3

Fact Families for the +3 facts. Match the addition with the subtraction and turnaround facts.

Fact Families for the Rainbow facts. Match the addition with the subtraction and turnaround facts.

• ### Gadgets Number Facts: +0 & +10

Fact Families for the +0 +10 facts. Match the addition with the subtraction and turnaround facts.

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Fact Families for the Double facts. Match the addition with the subtraction and turnaround facts.

Fact Families for the Double +1 facts. Match the addition with the subtraction and turnaround facts.

• ### Gadgets Number Facts: +9 Near 10

Fact Families for the +9 near 10 facts. Match the addition with the subtraction and turnaround facts.

• ### Gadgets Number Facts: +8 Near 10

Fact Families for the +8 near 10 facts. Match the addition with the subtraction and turnaround facts.

Fact Families for the remaining facts. Match the addition with the subtraction and turnaround facts.

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### Number Facts Quick Start Guide

2pp. Features and functions of the Number Facts Gadget: The grid changes between addition and multiplication tables.

• ### Gadgets Number Facts: Templates

Templates for the addition and mulitplication fact families and grids.

• ### Easter Colouring In – Empty Tomb (Subtraction Facts)

Page reinforces subtraction facts with a fun colouring-in page.