Please enter your email: How many altogether are 258 and 162? A. 320 B. 400 C. 420 D. 450 2. Increase 450 by 230. A. 220 B. 280 C. 580 D. 680 3. What is the difference between 6.3 and 2.4? A. 2.9 B. 3.9 C. 4 D. 4.1 4. Decrease 2.5 by 1.8 A. 0.6 B. 0.7 C. 1.7 D. 4.3 5. What is the best method of adding 0.9? A. Add 1 subtract 1 B. Add 1 add 0.1 C. Subtract 1 subtract 0.1 D. Add 1 subtract 0.1 6. Which strategy would be best to subtract 2.9? A. Add 3 subtract 1 B. Subtract 3 add 0.1 C. Subtract 3 subtract 0.1 D. Subtract 3 add 1 7. Which of these number sentences is incorrect? A. 2.56 + 3.41 = 5.97 B. 5.97 – 3.41 = 2.56 C. 5.97 – 2.56 = 3.41 D. 3.41 – 2.56 = 5.97 8. What is the best method of adding 34 + 48 + 56? A. Add the pair that total a multiple of 100 – add these B. Add the pair that total a multiple of 10 – add these first C. Add 10s first then the units D. Double 34 then adjust 9. Which strategy would be best to add 69 + 61 + 65 + 67? A. (60 x 4) + (1 + 5 + 7 + 9) B. (70 x 4) – (1 + 5 + 7 + 9) C. (61 + 65) + (67 + 69) D. (60 x 4) – (1 + 5 + 7 + 9) 10. Which of these pairs would not make a whole number? A. 2.78 + 0.22 B. 3.54 + 2.46 C. 5.01 + 1.9 D. 4.97 + 2.03 Loading … Question 1 of 10
WhatsApp us for instant feedback