3.6 Number block  (Page 3/3)

490: _________________________________________________________________

682: _________________________________________________________________

807: _________________________________________________________________

973: _________________________________________________________________

• Write the numbers:

four hundred and thirty seven: ____________________________________________

two hundred and six: ___________________________________________________

seven hundred and sixty five: _____________________________________________

eight hundred and fourteen: ______________________________________________

nine hundred and ninety three: ___________________________________________

• Fill in x or ÷ signs:

• Complete the pyramid:

• Fill in the missing numbers:

• Complete:

615 = 600 + ____ + 5

937 = 800 + ____ + 7

550 = ____ + 140 + ____

453 = 400 + ____ + 13

749 = ____ + 1 40 + ____

824 = 600 + ____ + ____

• Use the values of the letters to do the calculations:

a = 800 m = 50 p = 70 t = 5 w = 9

m + p + w = _____ + _____ + _____ = _____

a + m + t = _____ + _____ + _____ = _____

a - p - w = _____ + _____ + _____ = _____

• Complete:

888 890 ________ ________ ________ _______ _______ _______ 904

97 1 973 ________ ________ ________ _______ _______ _______ 987

800 803 ________ ________ ________ _______ _______ _______ 824

880 884 ________ ________ ________ _______ _______ _______ 912

915 920 ________ ________ ________ _______ _______ _______ 955

• Complete:

860 858 ________ ________ ________ _______ _______ _______ 844

913 911 ________ ________ ________ _______ _______ _______ 897

999 996 ________ ________ ________ _______ _______ _______ 875

812 808 ________ ________ ________ _______ _______ _______ 780

830 825 ________ ________ ________ _______ _______ _______ 790

• Add the numbers horizontally and vertically:

• Write an animal story to match the number sentence and do the calculation.

136 + 160 - 82 = ____________________________________________________

• Complete:

• Use your own method to do the calculations:

164 + 103 + 131 = __________________________________________________

150 + 247 - 153 = ___________________________________________________

374 - 150 - 1 1 7 = ___________________________________________________

Assessment

Learning Outcome 1: The learner will be able to recognise, describe and represent numbers and their relationships, and to count, estimate, calculate and check with competence and confidence in solving problems.

Assessment Standard 1.1: We know this when the learner counts forwards and backwards in:

1.1.1 the intervals specified in grade 2 with increased number ranges;

Assessment Standard 1.3: We know this when the learner knows, reads and writes number symbols and names from 1 to at least 1 000;

Assessment Standard 1.4: We know this when the learner orders, describes and compares numbers;

Assessment Standard 1.5: We know this when the learner recognises the place value of digits in whole numbers to at least 3-digit numbers;

Assessment Standard 1.8: We know this when the learner can perform calculations, using appropriate symbols, to solve problems;

Assessment Standard 1.9: We know this when the learner performs mental calculations;

Assessment Standard 1.10: We know this when the learner uses the following techniques:

1.10.1 building up and breaking down numbers;

1.10.2 doubling and halving;

1.10.3 number-lines;

1.10.4 rounding off in tens.