Grade 4 Maths Memo June 2021

1 TOM NEWBY SCHOOL MATHS GRADE 4 JUNE 2021 MEMORANDUM QUESTION ANSWER MARK LEVEL 1 Mental Maths 1.1 7 015  1 1 1.2 1T 1 1.3 8 1 1.4 2 505 1 1.5 3 000 1 1.6 9 107 1 1.7 4 703 1 1.8 42 ; 48; 54 1 1.9 4 198 1 1.10 330 1 2 Number 2.1 2 905 ; 3 105 8 1 patterns 2.2 4 900 ; 4 920 2.3 8 550 ; 8 500 2.4 3 025 ; 3 000 2.5 8 005 ; 8 010 ; 8 025 2.6 2 000 ; 2 002 2.7 7 015 ; 7 012 2.8 The rule is minus 200 3 Round off 3.1 a) 4 690 3 1 b) 4 700 c) 5 000 3.2 480 + 220 ≈700 4 Calculate 4.1 2 491 14 3 +1 546 4 037 4.2 8 070 - 2 345 5 725 4.3 (20 + 5) x 9 20 x 9 = 180 5 x 9 = +45

2 = 225 4.4 25 r 1  3 76 (70 ÷ 3) + ( 6 ÷ 3) = 20 +5 r 1 = 25 r 1 4.5 54 x 16 24 300 40 + 500 864  4.6 49 r 1 5 246 – 20 46 - 45 1 5 Complete the 80 16 3 2 flow chart 6 120 240 48 6 More patterns 6.1 12 20 30 42  4 2 6.2 The circles increased by the next even number.  6.3  7 Problem 7.1 R5 000 – R 2 805 = R 6 3 Solving R 5 000 - 2 805 R 2 195 7.2 250 x 5 = g

3 or 250 + 250 + 250 + 250 + 250 = g 250 X 5 1250 g TOTAL: 50