麻豆约拍

Numbertime Addition and Subtraction Clips

1. Subtraction strategies—Addition And Subtraction: Plus and Minus

   Duration: 03:19

2. Adding using number bonds—Adding Three Numbers

   Duration: 01:12

3. Adding three numbers - problem-solving—Adding Three Numbers

   Duration: 01:30

4. Adding three small numbers by counting on—Adding Three Numbers

   Duration: 01:01

5. Addition by counting in tens—Adding Three Numbers

   Duration: 00:48

6. Addition strategies - largest number first—Adding Three Numbers

   Duration: 03:03

7. Subtracting eleven from a two-digit number—Addition and Subtraction: Patterns of subtraction

   Duration: 00:52

8. How to subtract tens from two-digit numbers—Addition and Subtraction: Subtracting one from another

   Duration: 01:43

9. The minus sign—Addition and Subtraction: Subtracting one from another

   Duration: 00:47

10. Adding near doubles - numbers more than 20—Patterns of Addition

    Duration: 00:45

11. Strategies for subtracting tens and near tens—Addition and Subtraction: Two step subtraction

    Duration: 02:18

12. Subtracting tens from a two-digit number—Addition and Subtraction: Patterns of subtraction

    Duration: 01:29

13. Adding near doubles - numbers less than 20—Patterns of Addition

    Duration: 01:22

14. Checking calculations using the inverse operation—Addition And Subtraction: Plus and Minus

    Duration: 03:05

15. Finding the difference between the total of two sums—Adding Two Numbers

    Duration: 02:43

16. Subtracting tens and checking with the reverse operation—Addition And Subtraction: Plus and Minus

    Duration: 02:13

17. Subtraction from a two-digit number—Addition and Subtraction: Subtracting one from another

    Duration: 03:15

18. Adding single-digit numbers to 100—Addition and Subtraction - Addition with Partition

    Duration: 01:09

19. Working out difference by counting on—Addition and Subtraction: Difference

    Duration: 01:13

20. Counting by grouping into tens and units—Addition and Subtraction - Addition with Partition

    Duration: 00:59

21. Subtracting single digit numbers—Addition and Subtraction: Subtracting one from another

    Duration: 00:51

22. Adding near doubles - numbers less than 20—Patterns of Addition

    Duration: 01:25

23. Subtracting tens from a two-digit number—Addition and Subtraction: Patterns of subtraction

    Duration: 01:32

24. Subtraction strategies—Addition And Subtraction: Plus and Minus

    Duration: 03:22